Question

A silver coated block and a black coated block is kept under the sun for some time 1) in which temprature rises quickly and why?
2)if block are kept under the shade and allowed to cool down. Which block losses heat quickly? Explain your answer​

Answer 1

Black coated block absorbs and holds heat faster,,.. as well as it itself cold down faster than silvery block. This is due to the poor reflection power of the color black