Question

Assertion : It is hotter over the top of a **** than at the same distance on the sides.

Reason : Air surrounding the the conducts more heat upwards.

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

(b) Both A and R are true but R is not correct explanation of A

(c) A is true but R is false

(d) A and R are false

Answer 1

Correct option (c) A is true but R is false

Explanation :

When we put a in a place, the air surrounding the gets heated up. Hot air being light moves up. To fill up the gap cold air from the side of the rushes in. As the top of a is covered by hot air, it feels hotter over the top of the **** than at the same distance on the sides.