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An electron with kinetic energy =E eV co...

An electron with kinetic energy =E eV collides with a hydrogen atom in the ground state. The collision will be elastic

A

For all values of E

B

For `Elt10.2` eV

C

For `10.2 eV lt E lt13.6` eV only

D

For `0lt E lt 3.4` eV only

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The correct Answer is:
B
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