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Light with energy flux `18wcm^(-2)` is incident on a mirror of size `2cmxx2cm` normally. The force experienced by it and momentum delivered in one minute areA. `0.48 muN`, `28.8 mu kgms^(-1)`B. `48 muN`, `2.88 mu kgms^(-1)`C. `28.8 muN`, `4.8 mu kgms^(-1)`D. `0.24 muN`, `28.8 mu kgms^(-1)` |
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Answer» Correct Answer - A Momentum `P=(U)/(C )=(IA t)/(C )`, Force `F=(IA)/(C )` |
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