leslie's cube

Question 1

Explain how Leslie’s cube works. step 1

Answer 1

Leslie’s cube is a metal box with 4 different colour sides (black, matte black, white, unpainted).

Question 2

Explain how Leslie’s cube works.step 2

Answer 2

If you pour hot water into the cube, the matt (dull) black side will emit more infra-red radiation than the other sides, because dull black surfaces are the best emitters of heat.

Question 3

Explain how Leslie’s cube works.step 3

Answer 3

The infra-red radiation emitted is measured using a thermopile (a sensitive thermometer).