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JEE Main Physics question

PhysicsNucleiJEE Main

A nucleus with mass number 220 initially at rest emits an α-particle. If the Q value of the reaction is 5.5 MeV, calculate the kinetic energy of the α-particle.

Answer: (B)

Solution

K₁ + K₂ = 5.5 MeV, with the recoiling daughter nucleus (mass 216u) and the α-particle (mass 4u). Momentum conservation

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Question ID VK-153600