JEE Main 27-Jan-2024 Shift 1 Solved Paper
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Question : 44 of 90
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A convex lens of focal length 40 cm forms an image of an extended source of light on a photoelectric cell. A current I is produced. The lens is replaced by another convex lens having the same diameter but focal length 20 cm . The photoelectric current now is :
[27-Jan-2024 Shift 1]
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