Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Communication

Question:

Assertion (A) : If earth did not have atmosphere, its average surface temperature would be lower than what it is now.

Reason (R) : Greenhouse effect of the atmosphere would be absent, if earth did not have atmosphere.

Options:

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true but(R) is NOT the correct explanation of (A).

(A) is true but (R) is false.

Both (A) and (R) are false.

Correct Answer:

Both (A) and (R) are true and (R) is the correct explanation of (A).

Explanation:

The atmosphere traps the heat thus, helps in warming up the earth's atmosphere.