Heat and Thermal ExpansionHard
Question
A blackened metallic foil kept at a distance d from a spherical heater. The power absorbed by the foil is P. If the temperature of heater and distance both are doubled, then the power absorbed by the foil will be :-
Options
A.8 P
B.4 P
C.2 P
D.P
= Intensity
A
= 4PMore Heat and Thermal Expansion Questions
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