Question

11. Consider the following reasons for the reddish appearance of the sun at the sunrise or the sunset :
A.Light from the sun near the horizon passes through thinner layers of air.

B Light from the sun covers larger distance of the earth's atmosphere
before reaching our eyes.

C. Near the horizon, most of the blue light and shorter wavelengths are
scattered away by the particles.

D. Light from the sun near the horizon passes through thicker layers of
air.

The correct reasons are
(a) A and C only
(b) B, C and D
(c) A and B only
(d) C and D only​

Answer 1

The correct option is B, C, and D.

Explanation:

• Light from the sun covers larger distance of the earth's atmosphere and hence several rays that are being radiated from the sun will be absorbed by the atmosphere and some light like red reaches the earth and it appears as red to our eyes.
• Apart from this, a major portion of the sun's rays are scattered with the help of the tiny particles present in air. Hence the blue rays and other shorter wavelength rays are passes away the left over red light will reach the person's eyes.
• When light passes through the thicker layers of the atmosphere, the waves of longer wavelength like red rays scatter less and remains in the sky and appears as red.

To know more:

1) Using the phenomenon of scattering of light, explain why there is a difference in the colour of the Sun as it appears during sunrise at noon.

https://brainly.in/question/8483096.

2) What is scattering of light?

https://brainly.in/question/2800652

Answer 2

Answer:

option c) A and B only is correct