A nucleus with mass number 220 initially at rest emits an -particle

PHYSICS · Single correct · A Level · Physics · Nuclear physics · Nuclear physics

Problem

A nucleus with mass number 220 initially at rest emits an α\alpha -particle. If the QQ value of the reaction is 5.5 MeV, calculate the kinetic energy of the α\alpha -particle. (1) 4.4 MeV (2) 5.4 MeV (3) 5.6 MeV (4) 6.5 MeV

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