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The kinetic energy of an alpha particle which flies out of the nucleus of a Radium atom radioactive disintegration is 4.78 MeV. Find the total energy evolved during the escape of the alpha particle...

The kinetic energy of an alpha particle which flies out of the nucleus of a Radium atom radioactive disintegration is 4.78 MeV. Find the total energy evolved during the escape of the alpha particle...

Grade:12th pass

1 Answers

Khimraj
3007 Points
2 years ago
K.E. = (A-4)Q/A, gives the kinetic energy from Q-value and mass number,A of mother nuclei,

Substituting the values,

48A = (A-4)50

=> 2A = 200

=> A = 100

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