Physics question and answers for October 23, 2023
- Q In double slit experiment what should be the width of each slit to obtain 10 maxima of the double slit pattern within the central maxima of single slit pattern with...
- Q Two monochromatic light beams of intensity 16 and 9 units are interfering The ratio of intensities of bright and dark parts of the resultant pattern is 1 16 9 3...
- Q arrangement the slits are separated by a distance equal to 100 times the wavelength of the light passing through the slits a What is the angular separation in radians between...
- Q 39 Two polaroids are oriented with their transmission axes making angle of 30 with each other The fraction of incident unpolarised light transmitted is 1 37 3 3 36 2...
- Q 5 A double slit arrangement produces interference fringes for sodium light 589 nm that are 0 20 apart What is the angular fringe separation if the entire arrangement is immersed...
- Q 23 Monochromatic electromagnetic radiation from a distant source passes through a slit The diffraction pattern is observed on a screen 2 50 m from the slit If the width of...
- Q 32 An achromatic prism is made by crown glass prism Ac 19 and flint glass prism AF 6 If n 1 5 and F then resultant deviation for red coloured...
- Q The distance between two consecutive bright fringes in a biprism experiment using light of wavelength 6000 is 0 32 mm by how much will the distance change if light of...
- Q ection D YDSE with glass slab Optical path 1 A flint glass and a crown glass are fitted on the two slits of a double slit apparatus The thickness of...
- Q 2 It is necessary to illuminate the bottom of a I well by reflected solar beam when the light is incident at an angle 40 to the vertical At what...
- Q 20 At the first minimum adjacent to the centra maximum of a single slit diffraction pattern the phase difference between the Huygen s wavele from the edge of the slit...
- Q 2 You are given four sources of light each one providing a light of a single colour red blue green and yellow Suppose the angle of refraction for a beam...
- Q on A Cylindrical planer light beam incident normally on a medium Where refractive index is increasing radially across cross section beam will diverge just after refraction Reason Speed of light...
- Q 5 33 A double slit interference pattern is produced on a screen as shown in the figure using monochromatic light of wavelength 500 nm Point P is the location of...
- Q 2 Two plane mirrors A and B are aligned parallel to each other as shown in the figure A light ray is incident at an angle 30 at a point...
- Q A star is emitting light at the wavelength of 5000 A Determine the limit of resolution of a telescope having an objective of diameter of 200 inch Ans 1 2x107...
- Q 9 A spaceship is moving with a velocity 108 m s towards a star that emits radiations of wavelength 6000 A The wavelength of radiation received by the crew in...
- Q 3 In Young s double slit experiment separation between the slits is 0 5 mm Source of light S is placed at a distance of 0 5 mm from the...
- Q xample 10 15 White coherent light 400 nm 700 nm is se hrough the slits of a YDSE d 0 5 mm D 50 cm There i a hole in...
- Q 31 A ray of light is incident on the surface of a glass plate of refractive index 3 at the polarising angle The angle of refraction is 1 60 3...
- Q M White light is incident on a soap film of refractive index 4 at an angle of refraction 30 The transmitted light 3 is observed to have a dark band...
- Q C n n D None of t From a medium of index of refraction n monochromatic light of wavelength is incident normally on a thin film of uniform thickness L...
- Q In Young s double slit expt incoherent sources of equal amplitude a are used Intensity at the centre is found to be I The in coherent sources were then replaced...
- Q If the maximum and minimum intensity in the fringe pattern of YDSE are max and min then fringe visibility is given by Imax 1 Imin 2 Imax Imin 2
- Q 1 A monochromatic light source s of wavelength 440 nm is placed slightly above a plane mirror M as shown Image of s in M can be used as a...
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