A perfect black body of surface area 1 cm2 is heated to a temperature 1000 K. The amount of energy radiated by the body in 1 s is (Stefan’s constant σ=5.67×10−8 Wm−2K−4)

A perfect black body of surface area 1 cm2 is heated to a temperature

1.	A perfect black body of surface area 1 cm2 is heated to a temperature 1000 K. The amount of energy radiated by the body in 1 s is (Stefan’s constant σ=5.67×10−8 Wm−2K−4)
Answer» A perfect black body of surface area $1 {cm}^{2}$ is heated to a temperature $1000 K$ . The amount of energy radiated by the body in $1 s$ is (Stefan’s constant $σ = 5.67 \times 10^{- 8} W m^{- 2} K^{- 4}$ )

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A perfect black body of surface area 1 cm2 is heated to a temperature 1000 K. The amount of energy radiated by the body in 1 s is (Stefan’s constant σ=5.67×10−8 Wm−2K−4)

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