A.infinite
B.one
C.less than 1.0
D.zero
Related Mcqs:
- A perfect black body is the one which
- Which one of the following approximates to the black body condition?
- In test cross between hybrids of F1 generation of gray body long winged and black body vestigial winged parents Morgan found which of these ratios:
- 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:
- A relationship between the temperature of a black body and the wavelength at which the maximum value of monochromatic emission power occurs, is established under
- A perfect black body is
- The concept of black body in heat transfers applies to
- A black body absorbs all radiations. As a result of absorption of these radiations
- If the angle of friction is zero a body will experience
- 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
