JEE Mains 6-Apr-2023 Shift 1 Solved Paper
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Question : 81 of 90
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The wavelength of an electron of kinetic energy 4.50 × 10 − 29 J is . . . . . . × 10 − 5 m . (Nearest integer)
Given : mass of electron is9 × 10 − 31 kg , h = 6.6 × 10 − 34 J s
Given : mass of electron is
[6-Apr-2023 shift 1]
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