In Fig. 34-31, an isotropic point source of light S is
Chapter 34, Problem 3(choose chapter or problem)
In Fig. 34-31, an isotropic point source of light S is positioned at distance d from a viewing screen A and the light intensity Ip at point P (level with S) is measured. Then a plane mirror M is placed behind S at distance d. By how much is Ip multiplied by the presence of the mirror?
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