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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.
- The impurity atoms with which pure silicon may be doped to make it a p-type
- A common emitter amplifier is designed with n-p-n transistor (α=0.99).
- A beam of light of wavelength 600 nm from a distant source falls
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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.
- The impurity atoms with which pure silicon may be doped to make it a p-type
- A common emitter amplifier is designed with n-p-n transistor (α=0.99).
- A beam of light of wavelength 600 nm from a distant source falls
- If a solid sphere of mass 1 kg and radius 0.1 m rolls without slipping at a uniform
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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