Physics, 30.11.2019 03:31 amuijakobp78deg

The maximum kinetic energy that an alpha particle can transmit to an electron occurs during a head-on collision. compute the kinetic energy lost by an alpha particle of kinetic energy 7.5 mev in a head-on collision with an electron at rest.
mev

are we justified in neglecting this energy in the rutherford theory?

1) yes, because the kinetic energy lost by the alpha particle is between 0.5 to 5% of its initial kinetic energy.

2) no, because the kinetic energy lost by the alpha particle is between 0.5 to 5% of its initial kinetic energy.

3) yes, because the kinetic energy lost by the alpha particle is less than 0.5% of its initial kinetic energy.
4) no, because the kinetic energy lost by the alpha particle is more than 5% of its initial kinetic energy.

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