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Two Spheres,both at the Same Temperature,have Radii R and 2R

Question 262

Multiple Choice

Two spheres,both at the same temperature,have radii R and 2R.How do the energies radiated per unit area compare for these spheres?


A) They are the same.
B) The larger sphere has twice the value of the smaller sphere.
C) The larger sphere has 4 times the value of the smaller sphere.
D) The larger sphere has 16 times the value of the smaller sphere.

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