A.Grey body
B.White body
C.Opaque body
D.Transparent body
E.Black body
Related Mcqs:
- If a body reflects entire radiation incident on it, then it is known as
- If the absorptivity plus reflectivity of a body equals 1, then the body is known as
- 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
- A particle inside a hollow sphere of internal radius r with coefficient of friction 1/?3 can rest upto height of
- The star which collapses of its own gravity and even light cannot come out of its sphere is called
- An elastic sphere of 0.5 m diameter contains a gas at 115 k Pa. Heating of the sphere causes it to increase to 0.62 m and during the process the pressure is proportional to the sphere diameter. The work done by the gas will be
- Our body does not evaporate despite high temperature and does not freeze despite low temperature because:
- Two steel shaft each of length L and outside diameter D are subjected to uniform torsion. The first shaft is solid while the second one is hollow with inside diameter D/2. The ratio of the strain energies that these two shafts can absorb without exceeding a maximum allowable shear stress, would be
- In halide torch test if there is leakage of refrigerant, the colour of flame with change to
