Home
Class 12
PHYSICS
A body radiates energy 5 W at a temperat...

A body radiates energy 5 W at a temperature of `127^(@)C` . If the temperature is increased to `927^(@)C`, then it radiates energy at the rate of

A

410 W

B

81W

C

405 W

D

200 W

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

A black body radiates 20 W at temperature 227^(@)C . If temperature of the black body is changed to 727^(@)C then its radiating power wil be

Define radiant energy and thermal radiation.

A black body at 227^(@)C radiates heat at the rate of 7 cal cm^(-2) s^(-1) . At a temperature of 727^(@)C , the rate of heat radiated in the same unit will be

A black body emits radiations of maximum intensity at a wavelength of 5000 A, when the temperature of the body is 1227° C. If the temperature of the body is increased by 2227 °C, the maximum intensity of emitted radiation would be observed at

If the temperature of a hot body is increased by 50% then amount of radiant energy emitted by it increases approximately by

The temperature of a certain gas increased from 27 ^@C to 127 ^@C , the increase in energy is........

If temperature of water increases for 1^@C to 3^@C the density of water_____

Find the surface area of black body maintained at 127^@C radiating energy at the rate of 1459.2 J//sec .

The rate constant is doubled when temperature increases from 27^(@)C to 37^(@)C . Activation energy in kJ is

The temperature of a gas at pressure P and volume V is 27^(@)C . Keeping its volume constant. If its temperature is raised to 927^(@)C , then its pressure will be