Q. 39

Assume that the t

Given-
Area of the body, A = 1.6 m2

Temperature of the body, T = 310 K
We know from Stefan-Boltzmann law, we have-

= σAT4

Where,

A is the area of the body

σ is the Stefan-Boltzmann constant

σ = 6 × 10−8 W m−2 K−4.

Therefore,

Energy radiated per second = 1.6 × 6 × 10−8 × (310)4
= 886.58

≈887 J

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