Stars A and B emit most of their light at wavelengths of 650 nm and 480 nm

PHYSICS · Subjective · A Level · Physics · Astrophysics · Astrophysics

Problem

Stars A and B emit most of their light at wavelengths of 650 nm and 480 nm, respectively. Star A has twice the radius of star B. Find the ratio of the luminosity of star A to that of B.

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