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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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- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
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Topics: Ray Optics
(94)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A pan is suspended from a steel wire. Weights are slowly put on the pan
- Two masses of 9 g and 6 g are connected with a string which is passing over a frictionless
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- A tuning fork frequency 512 Hz is vibrated with a sonometer wire and 6 beats per second
- The resistance in the two arms of the meter bridge are 5Ω and RΩ, respectively
Topics: Ray Optics (94)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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