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One cannot see-through fog, because.

 

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Important Questions on Ray Optics and Optical Instruments

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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
What would be the colour of the sky if the earth had no atmosphere?
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
During sunset or sunrise the sun appears reddish because:
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
Define scattering.
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
What phenomenon of light causes the blue colour of the sky and the reddening of the sun at sunrise or sunset?
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
Total internal reflection may be observed if
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
The sky as seen from the surface of the moon appears dark because,
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
The smoke from a fire looks white. Which of the following statements is true?
(1) Molecules of the smoke are bigger than the wavelength of light. 
(2) Molecules of the smoke are smaller than the wavelength of light.
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
The blue colour of sky is due to:
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
Explain why the bluish colour predominates in a clear sky.
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light

Stokes and anti stokes lines observed in Raman scattering is due to _______ of light.

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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
Why does sky appear blue?
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
What do you understand by scattering of light?
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
Explain why thin clouds look white while clear sky looks blue.
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light

Explain Raman scattering of light?

 

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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
The average angle of inclination of the primary rainbow with the axis is
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light

If the ratio of amounts of scattering of two light waves is 1: 4, the ratio of their wavelengths is

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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
In the case of secondary rainbow _____ colour is at the top.
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
The secondary rainbow is due to _____ total internal reflection inside the droplet.
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
C.V. Raman from India know from his discovery of
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Physics>Optics>Ray Optics and Optical Instruments>Scattering of Light
 Which one of the following is true ?