If temperature of a back body increases from 70C to 2870C, then the rate of energy radiation becomes: - 2 times
- 16 times
- 4 times
- (287/7)4
If temperature of a back body increases from 70C to 2870C, then the rate of energy radiation becomes:
- 2 times
- 16 times
- 4 times
- (287/7)4