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In HCV Q-8 (photoelectric effect) we’ve not taken into consideration the 70% light that is reflected for calculating the momentum. BUT in Q-7 we have taken it so . Is this not contradictory. explain where am I wrong.

In HCV Q-8 (photoelectric effect) we’ve not taken into consideration the 70% light that is reflected for calculating the momentum. BUT in Q-7 we have taken it so . Is this not contradictory. explain where am I wrong.

Grade:9

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