A thin square steel plate with each side equal to 10 cm is heated by a blacksmith. The rate of radiated energy by the heated plate is 1134 W. The temperature of the hot steel plate is (Stefan's constant 
, emissivity of the plate = 1)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
The rate of radiated energy 
⇒ ⇒ 
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