A black metal sheet is heated from to

PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter

Problem

A black metal sheet is heated from 300  K300\;\text{K} to 600  K600\;\text{K}. By what factor does the radiant power emitted per unit area increase? (a) 12 (b) 8 (c) 16 (d) 4

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