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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 ideal heat engine works between temperature T₁=500 K and T₂=375 K.
- If the ionisation energy for the hydrogen atom is 13.6 eV, the energy required
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An ideal heat engine works between temperature T₁=500 K and T₂=375 K.
- If the ionisation energy for the hydrogen atom is 13.6 eV, the energy required
- A body of mass 120 kg and density 600 kg/m³ floats in water.
- Pascal-second has the dimensions of
- A proton and an alpha particle both enter a region of uniform magnetic field B,
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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