Ray Optics and Optical Instruments - Result Question 15
15. The reddish appearance of the sun at sunrise and sunset is due to
[2000]
(a) the colour of the sky
(b) the scattering of light
(c) the polarisation of light
(d) the colour of the sun
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Answer:
Correct Answer: 15. (b)
Solution:
- (b) It is due to scattering of light.
Scattering $\propto \frac{1}{\lambda^{4}}$. Hence the light reaches us is rich in red.
