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An electron with kinetic energy 10 eV is...

An electron with kinetic energy `10 eV` is incident on a hydrogen atom in its ground state. The collision

A

Must be elastic

B

May be partially elastic

C

Must be completely inelastic

D

May be completely inelastic

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • An electron with kinetic energy 5eV is incident on a hydrogen atom in its ground state.The collision

    A
    must be elastic
    B
    may be partially elastic
    C
    must be completely inelastic
    D
    may be completely inelastic

  • 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 `E lt 10.2 eV`
    C
    for `E lt 13.6 eV`
    D
    only for `E lt 3.4 eV`

  • An electron with kinetic energy E 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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