Q. Consider the following statements:
1.There are random temperature fluctuations that lead to refractive index fluctuations when the sunlight passes through the Earth’s atmosphere.
2.The Earth’s atmosphere is a homogenous medium through which the Sun light passes.
Select the correct statements using the codes given below:

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: A
Notes:

Explanation –

Statement 1 is correct. There are random temperature fluctuations that lead to refractive index fluctuations when the sunlight passes through the Earth’s atmosphere.

Statement 2 is incorrect. The Earth’s atmosphere is not a homogenous medium through which the Sun light passes.

Source: ForumIAS