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- Question 1 of 10
1. Question
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 is
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2. Question
Ordinary light incident on a glass slab at the polarizing angle suffers a deviation of 22°.In this case the angle of refraction is
CorrectIncorrect - Question 3 of 10
3. Question
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 is
CorrectIncorrect - Question 4 of 10
4. Question
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 - Question 5 of 10
5. Question
Light enters from air into a medium of R.I 1.5 percentage change in its wavelength is
CorrectIncorrect - Question 6 of 10
6. Question
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 is
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7. Question
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 is
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8. Question
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 is
CorrectIncorrect - Question 9 of 10
9. Question
A light source approaches the observer with velocity 0.8c .The doppler shift for the light of wavelength 5500A° Is
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10. Question
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 be
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