Question

Assertion : Sun looks reddish at sunrise and sunset.
Reason: Sun rays have to pass through a larger distance in atmosphere.

• A. If both assertion and reason are true and reason is the correct explanation of assertion
• B. If both assertion and reason are true but reason is not the correct explanation of assertion
• C. If assertion is true but reason is false
• D. If both assertion and reason are false

Answer 1

Answer: (A)

At sunset and sunrise, the sun rays have to pass through a larger distance in the atmosphere. Most of the blue and other shorter wavelengths are removed by scattering. The least scattered light reaches our eyes, therefore the sun looks reddish.