A perfect black body is

Thermodynamics Mcqs
BILAL KHATTAK0

A.Black in colour
B.One which absorbs total radiant energy
C.One which does not reflect the radiant energy
D.One through which radiant energy is not transmitted
E.One which absorbs all radiant energy at all wavelengths

Related Mcqs:

  1. A perfect black body is the one which
  2. A black body absorbs all radiations. As a result of absorption of these radiations
  3. The total radiant energy emitted by a plane surface per unit area and unit time is called
  4. The concept of black body in heat transfers applies to
  5. Cast iron containing 6.6% carbon is
  6. 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:
  7. Which one of the following approximates to the black body condition?
  8. BMR in our body means:
  9. A good selective surface utilizes materials that strongly
  10. 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

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