List of top Physics Questions on Optics asked in CUET (PG)

When light ray refracts on entering from one medium to another medium of different refractive indices, it follows:
Two thin convex lenses of focal lengths 2 cm and 6 cm are separated by a distance of 4 cm in air. Arrange the following cardinal points in ascending order on basis of their distance from second lens:
A. First Principal Point
B. First Focal Point
C. Second Focal Point
D. Second Nodal Point

Match the LIST-I with LIST-II

LIST-ILIST-II
A.Compton EffectIV.Scattering
B.Colors in thin filmII.Interference
C.Double RefractionIII.Polarization
D.Bragg's EquationI.Diffraction


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The resolving power of a grating:
A. increases with increase in total number of lines ruled on grating.
B. increases with increase in total width of grating.
C. increases with increasing the order of spectrum as in Echelon grating.
D. increases with decreasing the order of spectrum as in Echelon grating.
Choose the CORRECT answer from the options given below:
A 20g of cane sugar is dissolved in water to make 50 cc of solution. A 20 cm length of tube filled with this solution causes +53\(^{\circ}\)30' optical rotation. What will be the specific rotation?
True conditions for sustained interference of light waves are:
A. Two interfering sources must be coherent.
B. Two interfering waves must be propagated along the same line.
C. Two interfering waves must have equal amplitude.
D. If the interfering waves are polarized, they must be in the same state of polarization.
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Match List-I with List-II for the index of refraction for yellow light of sodium (589 nm)

LIST-I (Materials)LIST-II (Refractive Indices)
A.IceI.1.309
B.Rock salt (NaCl)II.1.460
C.CCl₄III.1.544
D.DiamondIV.2.417


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