A perfectly black body radiates power at temperature T₁ K. If it is to radiate 16 times this power, its temperature should be increased by (a) (16T₁)K (b) (4T₁)K (c) (2T₁)K (d) (T₁)K

Answer: (d). Stefan's law: P ∝ T⁴ (T₂)/(T₁) = 161/4 = 2 ⇒ T₂ = 2T₁ Increase = 2T₁ - T₁ = T₁ So the answer is (d) (T₁) K.

A perfectly black body radiates power at temperature T₁ K. If it is… | MHT CET 2026 (19 May, Shift 1)

Q5MHT CET 2026 · 19 MAY · SHIFT 1Easy

Thermal Radiation: Black Body, Stefan & Wien

A perfectly black body radiates power at temperature $T_1$ K. If it is to radiate 16 times this power, its temperature should be increased by

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Answer: (d)

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