AyokaCutiePie7045 AyokaCutiePie7045

09-01-2024
Physics

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A perfectly reflecting solid hemisphere of radius R is placed in the path of a parallel beam of light of large aperture. If the beam carries an intensity I, the force exerted by the hemisphere is
A. 2πR²l/c
B. πR²l/c
C. 4πR²l/c
D. πR²l/2c

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