JEE Advanced 2015 Physics question

PhysicsThermal Properties of MatterJEE Advanced 2015

Two spherical stars and emit blackbody radiation. The radius of is 400 times that of and emits times the power emitted from . The ratio of their wavelengths and at which the peaks occur in their respective radiation curves is

Answer: 2

Solution

Stefan's law: . So

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Question ID VK-026368