A common example of alpha decay is { }_{92}^{238} U_{90}^{234} Th+{ }_2 He^4+Q Given : { }_{92}^{238} U=238.05060 u, { }_{90}^{234} Th=234.04360 u, { }_2^4 He=4.00260 u, \text{ and } 1 u=931.5 \frac{MeV}{c^2} The energy released (Q) during the alpha decay of { }_{92}^{238} U is \_\_\_\_ MeV (approximately)

JEE Main 2026 Model Paper 1

Question : 14 of 75

Marks: +1, -0

A common example of alpha decay is ‌92238U90234Th+‌2He4+Q Given :
‌‌92238U=238.05060u,
‌‌90234Th=234.04360u,
‌‌24He=4.00260u,‌ and ‌
‌1u=931.5‌

MeV

The energy released (Q) during the alpha decay of ‌92238U is ____ MeV (approximately)

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