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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

1.4 eV

B

5 eV

C

15 eV

D

13.6 eV

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The correct Answer is:
A
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