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A beam of light is incident on a water surface of angle of incidence 60° and R.I of water is 4/3 . The ratio of width of incident wavefront to refracted wavefront isCorrectIncorrect
Ordinary light incident on a glass slab at the polarizing angle suffers a deviation of 22°.In this case the angle of refraction isCorrectIncorrect
A light wave enters from air into a medium of refractive index 4/3 .If wavelengths of light in air is 6000A°,then the wave number of light in medium isCorrectIncorrect
A ray of light is incident on a glass slab at an angle of incidence of 60°.When it travels through glass,it is deviated through 15°.What it refractive index of the material of glass slab?CorrectIncorrect
Light enters from air into a medium of R.I 1.5 percentage change in its wavelength isCorrectIncorrect
A ray of Light is incident on the surface of glass of a glass plate of refractive index 1.55 at the polarising angle.The angle of refraction isCorrectIncorrect
The Velocity of a moving galaxy is 300km/s and the apparent change in wavelength of a spectral line emitted from galaxy is observed at 0.5nm . then the actual wavelength of the spectral line isCorrectIncorrect
For a light wave of certain frequency the difference in wavelength in alcohol (R.I=1.35) and glass (R.I=1.5) is 400A°. Wavelength of light in vaccum isCorrectIncorrect
A light source approaches the observer with velocity 0.8c .The doppler shift for the light of wavelength 5500A° IsCorrectIncorrect
Doppler shift for the light wavelength 6000A° emmited from sun is 0.04A°. if the radius od sun is 7×10^8m then time period of rotation of sun will beCorrectIncorrect