Dividing 41/2 by 2 1/6 gives the answer of. * dia. (Delhi 2008) From this experiment, it is obvious that light waves are transverse and not longitudinal; because, if they were longitudinal, the rotation of crystal B would not produce any change in the intensity of light. The electric vectors (of light waves) along the direction of . Share Your PPT File. Question 118. Includes reasoning and applied questions. the cosine curve and see. The height is perpendicular to the base. 22.11 (a)]. If chiasma formation takes place in all four pairing segments, a ring of four chromosomes results. [18], So Huygens' construction implicitly defines a ray path as apath of stationary traversal time between successive positions of a wavefront, the time being reckoned from a point-source on the earlier wavefront. Question Yeast: Origin, Reproduction, Life Cycle and Growth Requirements | Industrial Microbiology, How is Bread Made Step by Step? Shade the region which is closer to point R than point Q, but within 3cm of point P. We will need to draw a perpendicular bisector of Q and R, and then a circle radius 3cm with P as the centre. If The phase difference of waves from two sources should be constant. 0.004 amperes can be written as. Question = 22.5. Hence learning the properties and applications of a parabola is the foundation for physicists. Answer: positive. A straight line passes through the two points (1,4) and Each optical fibre consists of a core and cladding. Then AD represents the refracted wavefront. Write the expression for the intensity of light transmitted from the second polaroid. 12. For 60 gms of resin, use Shade the region on the diagram where the stadium can be built. For constructive interference/maxima: If 2x-8y=14 and 4x+8y=16; then x=. Proportion of quoted arc of circumference is All India 2016) Move 22.15) may be formed at metaphase I. Obviously, the axis of P3 is inclined at 45 to the axis of P1 and P2. 1400 / 1 For plotting accurately, if is recommended that additional points be plotted by drawing radii at 5 degree intervals and 3 or 7 intermediate circles (which will be at 0.25 or 0.125 interpolated coordinates) between at least the main circles numbered 6, 5, 4, and 3. * 1 = 4 for top bit, 4 * 1 = 4 for bottom bit, 3 * 2 for centre bit. Apply now. Number. 5/8 Answer: (b) The appearance of bright and dark fringes in the interference pattern does not violate the principle of conservation of energy, because the light energy is distributed. (ii) Interference pattern is the superimposition of two waves slits originating from two narrow slits. Duplication 3. Find the wavelength of light from the second source. 67. Learn its definition, construction of the circle, formulas for area and circumference with solved examples. (a) In Youngs double slit experiment, describe briefly how bright and dark fringes are obtained on the screen kept in front of a double slit. Number. The perpendicular should be drawn with a straight edge. Question 73. Number. Only 43. Question 1. The path difference between two rays coming from holes S1 and S2 is (S2P S1P). Draw and angle bisector of the angle BAD. 17. fuck of the blog spot please read the books of the all modules by concept blog spot is bullshit .if you read the boks by concept all the modules cleared easily, fuck you idiot..get your grammar fixed first. = Circumference squared / 4 = 144 / (4 * 3.14) =. Question Area of sector = 60/360 * 314 = 314/6 = 52 ⅓ cm. Locate points 6,60, 55,5.625, 50, 5.25, 45, 4.825, 40,4.5, 35,4.125, 30,3.75, 25,3.375, and 20,3. Then the various propagation paths from A to B will help each other if their traversal times agree within the said tolerance. Draw a surface A1B1 touching tangentially at the secondary wavelets in the forward direction. Intensity of all the bright fringes is the brightness is the same. Slope A. opposite divided by hypotenuse. It was also immediately controversial. Another major effect of inversions is to suppress the recombination of genie loci by crossing over to maintain in the population a specific segment of a chromosome. Question This process can go on until the entire complement of chromosomes is involved. Width of central maximum. j. drawing a smooth curve between the 4 points located in step f, thereby drawing a segment of an Archimedes spiral, k. drawing a smooth compromise curve between the points located in steps h and i and the point located in step f designated as 4,30, said compromise curve starting in the proximity of point 6,60 and ending in the proximity of point 3,20, and. If the deficiency is large, the chances are there that the cell may die. The angle should be 60^o. Then interference term averages to zero. 21. you get 167 degrees. These cookies will be stored in your browser only with your consent. How far does a wheel of 7m radius travel in one It is another object of the present invention to devise a blower impeller blade lofting process that does not rely on generating tables using complex mathematical formula. 1 illustrates a plan view cross section of the impeller showing the installed blower blades. If resin to hardener is used in the ratio of 1000:45, how amplitude. R.P. for the answer here (since it goes to +infinity first). easy fingertips intensify playing casino slot games. 50. Number. Observations : 54. middle number, or middle two numbers. (fringe width) = y1 y0. All India 2015) Which is position of mth dark fringe from the central bright fringe. Explanation. Since PB be incident ray and BD be refracted ray Number. Thus, the fringe closest on either side of the central white fringe is red and the farthest will appear blue. Answer is. According to Huygens principle, when.light falls on the slit, it becomes a source of secondary wavelets. All the wavelets originating from slit AB are in same phase. This problem was a major inspiration for Descartes and was finally fully solved by Newton. (a) In Youngs double slit experiment a monochromatic source of light S is kept equidistant from the slits S2 and S2. Use B. Explores tried and tested approaches and includes examples and templates you can use immediately in your school. By clicking Accept, you consent to the use of ALL the cookies. The duplicated segments contained within a single chromosome could exist in one of the following configurations depending upon the position and sequence of the duplicated genes. torque wrench. The construction may be repeated in order to find successive positions of the primary wavefront, and successive points on the ray. Question 60 inches. A sharp pencil helps your diagram to be accurate. Remember that -x-=+, Next the outer brackets: 5+6=11, finally Subtract Question If path difference is an integral multiple of , then bright fringe will be formed at P Answer: (b) When unpolarized light passes from air to a transparent medium, under what condition does the reflected light get polarized? A monochromatic source S of unpolarized light of intensity I0 is kept in front of the polaroid sheet P1 as shown in the figure. Repeat by putting the point of the compasses on the point where the first arc crossed BC and draw an arc. Webcytoscape.min.js: A minified UMD build with all dependencies included in the bundle. (a) Polarisation by scattering. 3. inches, what will the third side be?. 4. Question Number. There will be same intensity, I = I1 + I2 at every point i.e. Question Find the square root of 1600. Hence, the circle is the best method of checking channel width. Number. Question Thus it leads to reshuffling of genie loci as well as alterations of basic chromosome morphology. The Option Huygens principle : When unpolarised light is incident on the boundary of two transparent media, the reflected light is polarised with electric vector perpendicular to the plane of incidence when the refracted and reflected rays make a right angle with each other. way is to remember that 1/32 = 0.03125, and multiply it by 7. Log Number. (All India 2011) Explanation. (b) (i) Yes, frequency is the property of source. 12x/(2x2) Option There of 'any' triangle is 1/2 base x height. Hence angular width of first fringe is half of the angular width of central fringe. With a straight-edge draw lines between the points where the arcs cross the circle. 85. expand When disturbance from point B on the incident wavefront reaches point B, the disturbance from point Q reaches Q via point K on the reflecting surface. Inversion homozygotes can be detected cytologically and genetically in the following ways: (i) By detecting changed linkage relation with the help of genetic linkage studies. a parallelogram (a pushed-over rectangle) nor a rhombus (a (a) How does an unpolarised light get polarised when passed through a polaroid? In order to access this I need to be confident with: Here we will learn about loci, including drawing loci and describing loci. Answer: Answer: Now the distribution of the four chromosomes in ring or chain configuration at anaphase I of meiosis is determined by the orientation of centromeres. 6. Question 12. 'factor' is the number which will divide into it (without making a 22.5). We use secondary wavelets starting at different times. (Comptt. If The If now the crystal A is kept fixed and B is gradually rotated in its own plane, the intensity of light emerging out of B decreases and becomes zero when the axis of B is perpendicular to that of A. Therefore, they meet at O in phase and hence constructive interference Number. Surface Number. (b) Why is there significant fall in intensity of the secondary maxima compared to the central maximum, where as in double slit experiment all the bright fringes are of the same intensity? 3x-2x = 30-8-6 etc. 56. Two strand-double crossing over will yield four normal chromatids, two of which will be involved in crossing over and the other will were not. Add all 3 areas together =. (10% of 30 + add half again) - Not strictly the correct method (as The characteristic of Log 0.698 is. 95. Hence, frequency does not change when light is reflected or refracted. Question It must be closer to reception than the shower block, but within 30 metres of the shower block. Number. Explanation. 23. In another preferred embodiment, the impeller is constructed of more than two parallel circular discs with central air inlets having similar shaped blades affixed there between. Delhi 2015) They replicate several times but do not divide. (i) Distance between two dark lines, on either, (ii) Angular spread of the first diffraction minimum (on either side). round off the answer to calibrated value. For example, for first maximum, dividing slit into three parts out of these three parts of the slit, the contributions from first two parts cancel each other; only 1/3rd portion of the slit contributes to the maxima of intensity. Number. (i) The interference pattern has a number of equally spaced bright and dark bands while diffraction pattern has a central bright maximum which is twice as wide as the other maxima. Question Let the rotating Polaroid sheet make an angle with the first polaroid. In the evening primrose (Oenothera) a number of variations are associated with translocations. (b) What is the effect on the interference fringes in Youngs double slit experiment when Question 79. It will be clear from the following gene sequences in the normal and duplicated chromosomes: (ii) Reverse tandem duplication in which the duplicated section with reverse gene sequence lies adjacent to normal sequence as shown below: (iii) Displaced direct duplication in which the duplicated section is not adjacent or contiguous with the normal section (i.e., separated by other segment). 3. ;ASSIGNOR:PAULY, SYLVIA LOUISE AS EXECUTRIX FOR THE ESTATE OF LOU ALLEN PAULY, DECEASED;REEL/FRAME:017606/0865, PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362, Wind turbine for generation of electric power, Housing for a centrifugal fan, pump, or turbine, air vacuum pump for a particulate loader and transfer apparatus, Fuel system centrifugal boost pump impeller, Coolant passage structure for internal combustion engine, Centrifugal pump for high-viscosity fluids, Impeller for engine-mounted boost stage fuel pump, Fan assembly comprising fan wheel with inlet and outlet of equal cross section area, Combined centrifugal pump and distributor, Quiet multivane multirow impeller for centrifugal pumps, Axial flow cooling fan with centripetally guiding stator vanes, Forward skew fan with rake and chordwise camber corrections, Compact and simplifying design method of diffuser for mixed flow pump, diffuser designed by the method and mixed flow pump having the same, Centrifugal impeller having airfoil suction surface type backward twisted blades, Fan for moving fluid axially and radially, Axial-flow ventilating fan with sweeping slant blades and disrotatory pattern shafts, Impeller for axial-flow heat-dissipating fan, Axial flow blower air-ducting ring and axial flow blower, Centrifugal impeller having reverse backward curved blades, Centrifugal blower and air conditioner with centrifugal blower, Centrifugal impeller having backward reverse airfoil blades, Lapse for failure to pay maintenance fees, Information on status: patent discontinuation, Lapsed due to failure to pay maintenance fee. Use a pencil and a ruler to draw the base. 4 together like terms: 3x-2x +5xy-2xy +2y-3y = x +3xy-y. Effect: When the monochromatic light is replaced by a white light: MOTOR: Any source of rotating power including, but not limited to electric, hydraulic, pneumatic motors, turbines, engines, and transmission systems between the power source and the impeller. Do Determine (+ 3)-(-4). 4-6 + 3-3 = -2. In adjacent distribution there are two events: (i) Adjacent 1 distribution in which the centromeres of neighbouring non-homologous chromosomes segregate to same pole, and. These 4 points are points on an Archimedes spiral, 6. Number. Necessary cookies are absolutely essential for the website to function properly. Explanation. does not matter which way around the base and the height go when they \(\beta \propto \frac{1}{d}\). something. It is represented by i. More blades and narrower flow channels improves the effective tangential angle exit nozzles and promotes more laminar flow. The preferred impeller blade design has the blades of the impeller curved on a cord of sixty degrees. Make this line long. 6, and others in their drawings show flow channels spanning an arc of well over 90 degrees. smaller gear rotates. Number. Surface What is a scalene triange?. The (Delhi 2015) Destructive interferencelMinima: If path difference is odd multiple of \(\lambda / 2\), then dark fringe is formed at P given point is. Question The Indicate the region required as necessary. Solve for x: 5x-7=3. 4. Question 74. Show on the diagram, using a scale of 1cm to 10 metres, the region that is safe for swimmers. Describe, with the help of a diagram, how unpolarised light gets linearly polarised by scattering. Duplication 3. Hence obtain the expression for the fringe width. Explanation. Light waves emitted from S1 and S2 reach point O on the screen after travelling equal distances. Describe Youngs double slit experiment to produce interference pattern due to a monochromatic source of light. The diffraction pattern is a superposition of a continuous family of waves originating from each point on a single slit. Answer: Answer: 'milliAmps' (mA). Hence, whole interference pattern will get shifted little downwards but fringe width will remain the same as that of . A. cos 45 x length of the adjacent side of the triangle. Mode Let AB be a section of primary wavefront at any instant t. Take points 1, 2, 3, 4, on the wavefront AB. Question But that condition is not essential to the argument. Draw a circle, radius 4cm using point P as the centre using a compass. 84. 1 E.g. Number. Explain with diagram, how plane polarized light can be produced by scattering of sunlight. Number. [3] Without this condition, the traversal time would be ambiguous; for example, if the propagation time from P to P were reckoned from an arbitrary wavefront W containing P (Fig. Option Suppose at any distance x from the central maximum, Explanation. Number. 2. To convert to metres divide by 100 twice (because it What diagram describes the points equidistant from the line segment MN? {\displaystyle v_{\mathrm {r} }} (ii) By the absence of regional pairing during first meiotic prophase. (Delhi 2009) Decreasing the spacing between blades improves the Reynolds' number, but increases the interior surface area causing increased surface effect drag. statement is true?. 153. Explanation. Calculate the height of an obtuse triangle whose base is X (Comptt. The genes are arranged in linear fashion. Question The fraction 17/11 is classed as. = 4,000,000, Therefore, depth = 4,000,000/(400*200) = 400/8 = 50 cm. Add 115. Rule 2: After calculating the (since-2*-2=+4). Explanation. (ii) Fringe width is inversely proportional to the distance between two sources Question 72. SO answer is 1/8. 72. The schematic representation of gene duplication in chromosome by unequal crossing over is shown in Fig. An essential guide for all SLT and subject leaders looking to plan and build a new scheme of work, including how to decide what to teach and for how long. Question Mark the intersections of the first 4 radii (0 to 30 degrees), 5. 2 illustrates a side cross sectional view of a stacked set of impeller blades and mounting hub. The intensity distribution on the screen.is represented as shown in the figure. Give an example. line. Question Another source of monochromatic light produces the interference pattern in which the two consecutive bright fringes are separated by 8 mm. These are primarily due to the loss of genetic information and secondarily due to qualitative changes in the genotype as well as the change of genie balance. Draw a plot of intensity I2 vs the angle between pass axes of P1 and P3. (a) Coherent sources are needed to ensure that the positions of maxima and minima do not change with time. 4-2 = 2. It is formed from the intersection of three circular disks, each having its center on the boundary of the other two.Constant width means that the separation of every two parallel supporting lines is the same, independent of their Construct an angle bisector of angle ABC: Set your compasses to a length that is less than the shortest arm. 22.3). 41. Question is. Correct You Question Find L in the following expression. 180-115 = 65. Question Question 25. Light wave emitted from an ordinary source (like a sodium lamp) undergoes abrupt phase changes in times of the order of 10-10 seconds. is always measured perpendicular (90 degrees) to the base. 2 and 5 are cross sections of the impeller disk and further show how several sets of disks may be stacked using a plurality of cover disks. to remove the R from RHS. Number. (Delhi 2008) Number. Draw a diagram showing incident wavefront, reflected wavefront and verify the laws of reflection. (ii) For destructive interference: Question 71. In Youngs double slit experiment, the two slits 0.12 mm apart are illuminated by monochromatic light of wavelength 420 nm. T Unfortunately, however, the omitted middle sentence of the quoted paragraph by Young began "The motion of every undulation must necessarily be in a direction perpendicular to its surface" (emphasis added), and was therefore bound to sow confusion rather than clarity. The What is the Lowest Common Multiple of 5; 12; 20. This constant V is called the refractive index of material which proves Snells law of refraction. 60. you find the Log of 5.74, it will be 0.--- The '0' is the It is due to scattering of light by molecules of earths atmosphere. In plants gametes containing duplication or deficiency are generally not viable. (iii) For a single slit of width a the first null of diffraction pattern occurs at an angle of \(\frac{\lambda}{a}\). Keep the compasses set the same and make a starting mark and then draw arcs. 161. The coefficient of AO in the above equation should be zero Question In Explanation. I = I0 cos2 Circle radius 3cm around peddle boat station, Angle bisector drawn between beach and pier. the square of the radius by . (b) When unpolarised light is reflected from a surface, the reflected light may be completely polarised, partially polarised or unpolarised depending on the incident angle. Multiply the powers when a 23. This constant V is called the refractive index of material which proves Snells law of refraction. All India 2014) WebParabola is an important curve of the conic section. Divide opposite side divided by the hypotenuse side. WebThe age-specific and male-specific chromosome 10 locus (p = 1 and 0.185 at 0 and 80% truncation, respectively) overlaps with another previously described UM-HET3 longevity locus . 24. Let AB be a plane wavefront moving through the surface XY meeting at the point B. NCERT Solutions for Class 6, 7, 8, 9, 10, 11 and 12. the two binary numbers then convert the result to decimal. A. [58], In fact Laplace was aware that Fermat's principle follows from Huygens' construction in the case of refraction from an isotropic medium to an anisotropic one; a geometric proof was contained in the long version of Laplace's report, printed in 1810.[59]. Explanation. [38][Note 8]. Brewsters law. decimal?. two. Number. The new line is the perpendicular bisector of the original line segment AB. The inversions are classified according to the number of inverted segments within the chromosome and the location of inversion points with respect to each other. In 1925, Sturtevant using females homozygous for Bar (B) but heterozygous for forked bristles gene f) and for fused wing veins (gene fu) demonstrated that the normal and double Bar flies were products of crossing over within the Bar locus. Suppose the earth to be a real sphere with the radius R. is the area?. Explanation. Explanation. 1. Explanation. A third polaroid P3 is kept between P3 and P2 such that pass axis of P3 is parallel to that of P1. the gear with fewer teeth rotates faster than the other. The surface A1B1 is the secondary wavefront after time t. 45. If x in an equation equals Ly + 7cb, define the formula Explanation. The light refracted along OC is unpolarised. Number. In order to be true in all cases, this statement must be weakened by replacing the "least" time Number. Option Number. 3. Hence, the intensity of secondary maxima decreases with the increase in the order n of the maxima. Explanation. content of the brackets comes to a negative number, it is positive Round = 16 * 100 1600 = 16x100 = 4x10 = 40. The first curved blade segment shape is then drawn by connecting a series of intersection points of the 10 degree radii with the inner, outer and four equidistant intervening concentric circles with a French curve. Median Number. To convert to square degrees. 4. Question 91. lowest common multiple is the lowest number each number will divide (All India 2014) Question 360/6.28 = 57.5. is. Explanation. towards Sv the position of the central maximum on the screen will shift downwards on the screen, i.e. Number. An aircraft flies 1350nm in 2 hrs 15 minutes. iI know one website as you Sohman Epoxy .I really love the design of your website. Number. into blocks of 3 (from right to left), and convert each block into In a preferred embodiment for use in tunnels, mines, and lumber mills, the discs and blades are spaced sufficiently apart to prevent debris picked up in the intake air from obstructing the flow channels. Unpolarized light : A light wave, in which the electric vector oscillates in all possible directions in a plane perpendicular to the direction of propagation is known as unpolarized light. The parabola is the locus (series) of points in which any given point is of equal distance from the focus and the directrix. fraction size drill bit is most nearly equal?. Number. parallel to the y axis. Question Answer: In the double slit experiment, we must note that the pattern on the screen is actually a superposition of single slit diffraction from each slit and double slit interference pattern. Add Explanation. *** Crossing over in reverse tandem duplication may result into a dicentric chromosome. (i) In what way is diffraction from each slit related to the interference pattern in a double slit experiment? The light transmitted by it is then incident on a second polaroid P2 with its pass axis making angle of 60 relative to the pass axis of P1. A car travels 24 miles in 45 minutes. It holds for any curved spherical surface. When a plane wave front, of light, of wavelength X, is incident on a narrow slit, an intensity distribution pattern, of the form shown is observed on a screen, suitably kept behind the slit. 3. What is the area of a ring with an outer diameter of 90 are 45 and 40. Question The locus of points equidistant from AB and AD is an angle bisector. Explanation. 12. (a) Explain how the intensity of diffraction pattern changes as the order (n) of the diffraction band varies. A third polaroid is placed between the two making an angle 0 with the pass axis of the first polaroid. Since the separation between the centres of two consecutive bright fringes is called fringe width. Explanation. When this polarized light is incident on a polaroid P2, kept crossed with respect to P1, then these components also get blocked and no light is transmitted beyond P2 . 10. if a point P is equidistant from two points A and B, then the distance between P and A is the same as the distance between P and B, as illustrated here: (ii) When a tiny circular obstacle is placed in the path of light from a distance source, a bright spot is seen at the centre of the shadow of the obstacle. Unpolarised light is passed through a polaroid P1 When this polarised beam passes through another polaroid P2 and if the pass axis of P2 makes angle 6 with the pass axis of P1, then write the expression for the polarised beam passing through P2. Question 55. Thus, the two daughter nuclei either will be linked by dicentric bridge or will contain the fragments of the bridge if it breaks. The third point is the third inner concentric circle intersect with a 30 degree segment. 22. Explanation. Basic features of distinction between interference and diffraction patterns :
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