Which of the following sources of light is the inverse square law valid for? Options: A . &nbspCylindrical source B . &nbspIsotropic point source C . &nbspSearchlight D . &nbspNone of these

Which of the following sources of light is the inverse square law valid for?

Question

Which of the following sources of light is the inverse square law valid for?

Options:

A . Cylindrical source

B . Isotropic point source

C . Searchlight

D . None of these

Answer: Option B

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