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The reddish appearance of the sun at sunrise and sunset is due to
Options
(a) the colour of the sky
(b) the scattering of light
(c) the polarisation of light
(d) the colour of the sun
Correct Answer:
the scattering of light
Explanation:
It is due to scattering of light. Scattering ∞ 1/λ⁴. Hence the light reaches us is rich in red.
Related Questions: - The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
- A wave in a string has an amplitude of 2cm. The wave travels in the positive direction
- In the equation y=asin(?t+kx),the dimensionals formula of ? is
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The threshold frequency for a certain photosensitive metal is ν₀. When it is illuminated
- A wave in a string has an amplitude of 2cm. The wave travels in the positive direction
- In the equation y=asin(?t+kx),the dimensionals formula of ? is
- If emf induced in a coil is 2 V by changing the current in it from 8 A to 6 A
- When light of wavelength 300 nm falls on a photoelectric emitter,
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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