Consider the following statements.(A) sphere, a cube and a thin circular plate made of same material and of same mass are initially heated to $$200$$° C, the plate will cool at fastest rate.(B) Rate of cooling $$=eA$$σ$$ms(T4-T04)$$∞ surface areaSelect the correct option.(a) (A) is false but (B) is true.(b) Both (A) and (B) are true.(c) (A) is true but (B) is false.(d) Both (A) and (B) are false.

Question

Consider the following statements.(A) sphere, a cube and a thin circular plate made of same material and of same mass are initially heated to $$200$$° C, the plate will cool at fastest rate.(B) Rate of cooling $$=eA$$σ$$ms(T4-T04)$$∞ surface areaSelect the correct option.(a) (A) is false but (B) is true.(b) Both (A) and (B) are true.(c) (A) is true but (B) is false.(d) Both (A) and (B) are false.

Infinity Learn · Accepted Answer

BOTH A and B are TRUE. B is the correct explanation of A

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