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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: - An air core solenoid has 1000 turns and is one meter long. Its cross sectional area
- α- particles, β – particles and γ – rays are all having same energy.
- Small drops of the same size are charges to V volt each. If n such drops coalesce
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An air core solenoid has 1000 turns and is one meter long. Its cross sectional area
- α- particles, β – particles and γ – rays are all having same energy.
- Small drops of the same size are charges to V volt each. If n such drops coalesce
- A coil of resistance 10 Ω and an inductance 5 H is connected to a 100 volt
- The power supplied by a force acting on a particle moving in a straight line
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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