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A photon of energy 15eV collides with H-...

A photon of energy `15eV` collides with `H-`atom. Due to this collision, `H-`atom gets ionized. The maximum kinetic energy of emitted elecrtron is:

A

1.4eV

B

5eV

C

15eV

D

13.6eV

Text Solution

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The correct Answer is:
A
Energy of photon ionization energy `+K.E_("max")=15eV-13.6eV=1.4eV`
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