A.Black body
B.Grey body
C.Opaque body
D.White body
E.None of the above
Related Mcqs:
- If a body reflects entire radiation incident on it, then it is known as
- A hollow sphere with uniform interior temperature and a small hole behaves very nearly as a
- A body which transmits all the radiations falling on it is known as
- A black body absorbs all radiations. As a result of absorption of these radiations
- The emissivity of a body will be equal to absorptivity when
- In Morgan’s experiment on linkage the recombinant types of test cross with F1, hybrids of gray body long winged and black body vestigial winged parents are:
- Suppose that we have an ideal piece of glass with ? = 0. If ? = 0.09 where ? = transmissivity ? = reflectivity and ? = absorptivity
- When a body is in thermal equilibrium with its surroundings, the absorptivity and the emissivity of the body are same. This Law is known as
- Suppose that the transmissivity is zero for a very thick piece of material. If the material is perfectly black where ? = absorptivity and ? = reflectivity
- Suppose that the transmissivity is zero for a very thick piece of material. If the material is perfectly white where ? = absorptivity and ? = reflectivity