MHT CET Physics question
Three objects colored black, grey and white can withstand hostile conditions at . These objects are thrown into furnace, where each of them attains a temperature of . Which object will have the brightest glow?
Answer: (C)
Solution
Inside the furnace each object is in thermal equilibrium with the cavity at the same temperature, so emitted plus reflected radiation from every surface equals black-body radiation at that
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