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When an electron moving at a high speed ...

When an electron moving at a high speed strikes a metal surface, which of the following are possible?
(i) The entire energy of the electron may be converted into an X-ray photon
(ii) Any fraction of energy of the electron may be converted into an X-ray photon
(iii) The entire energy of the electron may get converted to heat
(iv) The electron may undergo elastic collision with the metal surface

A

The entire energy of the electron may be converted into an X-rayphoton.

B

Any fraction of the energy of the electron may beconverted into an X-ray photon

C

The entire energy of the electron may get converted to heat

D

The electron may undergo elastic collision with the metal surface

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