A.Absorbs all incident radiation
B.Reflects all incident radiation
C.Absorbs most of the incident radiation
D.Is coated with lamp black
Related Mcqs:
- A perfect black body is
- Which one of the following approximates to the black body condition?
- A black body absorbs all radiations. As a result of absorption of these radiations
- The diathermous body is one that ______________?
- The concept of black body in heat transfers applies to
- Two pieces of wood are placed in sunlight. One is painted white and the other is painted black. It can be concluded that
- The gas that absorbs most of the harmful ultraviolet radiation in the stratosphere is __________?
- 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:
- Two large closely spaced concentric spheres (both of which are perfect black body radiators) are maintained at temperatures of 127?C and 27?C respectively. The space in between the two spheres is evacuated. Taking Stefan Boltzmann constant as 5.67 x 108 watt m2K the rate of radiation in watts per sq. m between the two spheres is approximately
- Which lamp is used for cinerma projectors