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in Physics by (79.0k points)
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Light with an energy flux of 18 W/cm2 falls on a non-reflecting surface at normal incidence. The pressure exerted on the surface is

(a) 2 N/m2

(b) 2 x 10-4 N/m2

(c) 6 N/m2

(d)  6 x 10-4N/m2

1 Answer

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by (50.7k points)
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Best answer

Correct option (d)  6 x 10-4N/m2

Explanation:

Radiation pressure Prad due to light falling on a non-reflecting surface at normal incidence is given by

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