A thin square steel plate with each side equal to 10 cm is heated by a blacksmith.
Channel: Doubtnut
Date: 2021-11-11

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  `sigma = 5.67 xx10^(-8) " watt "m^(-2) K^(-4)` , emissivity of the plate = 1)