Physics question and answers for October 29, 2023
- Q The refractive index of water with respect to air is index of water with respect to glass is 08 9 0 1 2 02 86 3 and the refractive index...
- Q picture showing images f ormed by point object in a myopic ey e What will be the image formed by a LINE OBJECT in a myopic eye De scribe the...
- Q The nergy of a photon of EM radiation is of order of 1 Kev To which part of spectrum does it Jeng y ray 3 Infra red rays 2 x...
- Q A thin paper of thickness 0 02 mm having refractive index 1 45 is pasted across one of the slit in a Young s double slit experiment The paper transmits...
- Q In Michelson s interferometer what is the effect on fringe patterns if the two mirrors are not perpendicular to each other In Michelson s interferometer 200 fringes cross the field...
- Q The radius of curvature for a convex lens is 40 cm for each surface Its refractive index is 1 5 The focal length of the lens will be 40 cm...
- Q A parallel beam of light of wavelength 600 nm falls normally on a slit of width a Find the value of a so that the first order diffraction maximum occurs...
- Q 5 In lens displacement method lateral magnifications obtained are 2 and 0 5 If separation between position of lenses is 30 cm then focal length of the lens is 1...
- Q 8 If a parallel beam of light of circular cross section having radius 10 mm falls on the surface of glass sia 3 2 U at an angle 30 with...
- Q 2 When light is refracted into a rarer medium from a denser medium O its wavelength increases energy and frequency remain unchanged its wavelength decreases energy decreases but frequency remains...
- Q Given 11 70 micrometer Distance of light source from upper slit 12 90 micrometer Distance of light source from lower slit Wavelength of light used 500 nanometer Distance between slits...
- Q Two coherent sources are emitting light of wavelength A 5000 The separation between the sources is 2 5 mm and the separation between the source and the screen is 2...
- Q between the Two coherent sources are emitting light of wavelength A 5000 A The separation between the sources is 2 5 mm and the separation betw source and the screen...
- Q 4 5 The refractive index of water with respect to air is and the refractive index of glass with respect to 3 air is 33292 Then the refractive index of...
- Q 6 Find the number of maxima and minima for the following arrangement which is detect by detector Detector 1 60 2007 310 20 116 1 18 18 3 20 20...
- Q the figure shown below there is an equilateral glass prism ABC of which point C is attached with plane mirror held at an angle 0 with the horizontal The deviation...
- Q A clear sheet of polaroid is placed on the top of similar 3 5 sheet so that their axes make an angle sin other The ratio of intensity of the...
- Q 29 A beam of light of wavelength 6000 A falls on a narrow slit and the diffraction pattern is observed at a screen 3 m away from the slit If...
- Q Q 12 White light P Q Dispersion First prism Recombination Second prism R P Light of seven colours R Patch of white light White light White screen S Newton carried...
- Q 2 Interference fringes are produced with monochromatic light falling normally a wedge shaped film of refractive index 1 4 The angle of the wedge is 10 seconds of an arc...
- Q Three identical sources S S and S3 are placed at the vertices of an equilat intensity Io each at centroid c of triangle The resulting intensity of light at c...
- Q SolveLancer Test In diffraction pattern the variation of intensity on the screen is given by 1 b i Most of the diffracted light is distributed between sine and 1 10...
- Q In YDSE one of the slit is wider than other so that amplitude of the light from one slit is double of that from other slit if Im be the...
- Q 22 Suppose an electron microscope uses a beam of electrons accelerated through a 1 V potential a Estimate the resolving power of that microscope b Would it be able to...
- Q A ray of light of intensity is incident on a parallel glass slab at a point A as shown in the figure It undergoes partial reflection and refraction At each...
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