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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: - A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- Masses of three wires of copper are in the ratio of 1:3:5 and their lengths
- A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- A particle of mass 1 mg has the same wavelength as an electron moving with a velocity
- Masses of three wires of copper are in the ratio of 1:3:5 and their lengths
- A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass
- The horizontal range and maximum height of a projectile are equal.The angle of projection
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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