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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.
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A ball is moving in a circular path of radius 5 m.If tangential acceleration
- A bar magnet of moment M and pole strength m is cut into parts of equal lengths.
- The cadmium rods are used in nuclear reactor to
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- ₆C¹⁴ absorbs an energitic neutron and emits beta particles. The resulting nucleus is
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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