A.Ice
B.Water
C.Lamp black
D.All of the above
E.None of the above
Related Mcqs:
- A perfect black body is the one which
- A black body absorbs all radiations. As a result of absorption of these radiations
- 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:
- The concept of black body in heat transfers applies to
- A perfect black body is
- Which lamp is used for cinerma projectors
- Power factor is expected to be highest in case of
- Two pieces of wood are placed in sunlight. One is painted white and the other is painted black. It can be concluded that
- Which of the following equipment has power factor closer to unity
- If the absorptivity plus reflectivity of a body equals 1, then the body is known as
