MHT CET Physics question

Two thermometers A and B are exposed to sunlight. The valve of A is painted black but that of B is not painted. The correct statement regarding this case is

(A)Temperature of B will rise faster
(B)Temperature of A will remain more than B
(C)Both of A and B show equal rise from the beginning
(D)Temperature of A will rise faster than B but the final temperature will be same in bothCorrect

Answer: (D)

Solution

The black bulb absorbs more radiation and so heats faster, but it also emits more, and at equilibrium the heat absorbed

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Question ID VK-063324