Physical Optics

A. same wavelength
B. same amplitude of vibration
C. same wave length with constant phase difference
D. same amplitude and wavelength

A. crest
B. trough
C. wavelength
D. wave front

A. bright
B. dark for large wavelength
C. dark
D. bright for large wavelength

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

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

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