Light with an energy flux of 25×104 Wm−2 falls on a perfectly surfa – InterviewSolution

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1.	Light with an energy flux of 25×104 Wm−2 falls on a perfectly surface at normal incidence. If the surface area is 15 cm2, the average force exerted on the surface is
Answer» Light with an energy flux of $25 \times 10^{4} {Wm}^{- 2}$ falls on a perfectly surface at normal incidence. If the surface area is $15 {cm}^{2}$ , the average force exerted on the surface is

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