MHT CET Physics question

An ideal black-body is at room temperature. If it is thrown into a furnace, it will be observed that

(A)Initially it is the darkest and at later times the brightest
(B)It is the darkest at all times
(C)It cannot be distinguished at all times
(D)Initially it is the darkest and at later times it cannot be distinguishedCorrect

Answer: (D)

Solution

At room temperature the black body absorbs all the furnace radiation but emits very little, so it first looks the darkest object; once it reaches the furnace

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-063618