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In a Rutherford scattering experiment when a projectile of charge Z1 and mass M1approaches a target nucleus of charge Z2 and mass M2, the distance of closest approach is r0. The energy of the projectile is
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- directly proportional to Z1 Z2
- inversely proportional to Z1
- directly proportional to mass M1
- directly proportional to M1 × M2
Correct Option: A
The kinetic energy of the projectile is given by
| mv2 = | = | |||||
| 2 | 4πε0r0 | 4πε0r0 |
Thus energy of the projectile is directly proportional to Z1, Z2
