A. diffraction
B. dispersion
C. interference
D. polarization
appearance of colour in thin films is due to ____________________? Read More »
Physical Optics, Physics Mcqs A. Newton
B. Michelson
C. Huygen
D. Young
The velocity of light was determined accurately by_______________? Read More »
Physical Optics, Physics Mcqs A. same wavelength
B. same amplitude of vibration
C. same wave length with constant phase difference
D. same amplitude and wavelength
Two sources of light are coherent if they emit rays of_______________? Read More »
Physical Optics, Physics Mcqs A. crest
B. trough
C. wavelength
D. wave front
A. bright
B. dark for large wavelength
C. dark
D. bright for large wavelength
Central spot of Newtons rings __________________? Read More »
Physical Optics, Physics Mcqs A. waves
B. particles
C. photons
D. it was not his discovery
A. 15 minutes
B. 10 minutes
C. 8 minutes
D. 8 minutes 30 seconds
Light reaches the earth form sun in nearly____________________? Read More »
Physical Optics, Physics Mcqs A. thickness of the film only
B. nature of the film only
C. angle of indidence only
D. all thickness nature and angle of incidence
A. sugar
B. tartaric acid
C. water
D. sodium chlorate
Which is not optically active ? Read More »
Physical Optics, Physics Mcqs A. Convex lens
B. Interferometer
C. Diffraction grating
D. Concave
Crystals of a material can behave as_________________? Read More »
Physical Optics, Physics Mcqs