There are two spheres of copper the ratio of their radii being 1 : 3 both at the same temperature. The ration of heat contents will be

Related MCQs

• 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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