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Consider the situation described in the previous problem. Show that the force on the sphere due to the light falling on it is the same even if the sphere is not perfectly absorbing.

Consider the situation described in the previous problem. Show that the force on the sphere due to the light falling on it is the same even if the sphere is not perfectly absorbing.

Grade:11

1 Answers

Jitender Pal
askIITians Faculty 365 Points
9 years ago
Sol. For a perfectly reflecting solid sphere of radius ‘r’ kept in the path of a parallel beam of light of large aperture with intensity ‘I’, force exerted = π^2l/C

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