- (A) sugar
- (B) tartaric acid
- (C) water
- (D) sodium chlorate
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- (A) Convex lens
- (B) Interferometer
- (C) Diffraction grating
- (D) Concave
- (A) Interference
- (B) Diffraction
- (C) Polarization
- (D) Refraction
- (A) no interference fringes are observed
- (B) no diffraction fringes are observed
- (C) no fringes observed
- (D) interference pattern not disturbed
- (A) black
- (B) purple
- (C) green
- (D) no scientific reasoning available
- (A) radio waves
- (B) ultraviolot rays
- (C) X-rays
- (D) sound waves
- (A) vibration in all direction
- (B) vibration in two mutually perpendicular directions
- (C) vibration take place in a direction perpendicular to the direction of propagation of light
- (D) no vibration at all
- (A) 4 x 10-10 m
- (B) 2 x 10-10 m
- (C) 0.02×10-10m
- (D) 20×10-10m
- (A) 5000 nm
- (B) 5000A
- (C) 500m
- (D) 2000um
- (A) 500 mm
- (B) 5 x 10-3 mm
- (C) 2 x 10-5 mm
- (D) 2 x 10-3 mm
