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Alpha particles — UPSC IFoS 2025 Physics PYQ
Buy PYQ Solution Manual →An alpha particle is trapped in a nucleus of radius 1\cdot 4\text{ fm}. What is the probability that it will escape from the nucleus if its energy is 2\text{ MeV}? The potential barrier at the surface of the nucleus is 4\text{ MeV}. [Given : The mass of the alpha particle is 6\cdot 64 \times 10^{-27}\text{ kg}]
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