NEET 2020 Model Question Paper 4
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Question : 125 of 180
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The cathode of a photoelectric cell is changed such that the work function changes from W 2 to W 2 ( W 2 > W 1 ) . If the current before and after changes are I 1 and I 2 , all other conditions remaining unchanged, then (assuming h v > W 2 )
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