A.White polished surface
B.White rough surface
C.Black rough surface
D.Black polished surface
Related Mcqs:
- Which of the following is wrong:
- Tan ? can be greater than
- The fatigue limit of a material
- The surface which diffusely reflects and emits the same amount of energy which it receives by radiation is known as
- Although the polar regions radiate away more heat energy than they receive by insulation in the course of a year, they are prevented from becoming progressively colder each year by the__________?
- A black body absorbs all radiations. As a result of absorption of these radiations
- For optimum storage of heat with rocks small pebbles should be utilized because
- High pouring rate leads to
- Four identical copper cubes are painted with different paints. Now if all the cubes are heated to the same temperature and are left in vacuum, which cube will lose heat more rapidly? The colours of the cubes are
- Steel recommended for induction hardening should have
