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The velocity of electron in first orbit ...

The velocity of electron in first orbit of H-atom as compared to the velocity of light is

A

`(1)/(10)th`

B

`(1)/(100)th`

C

`(1)/(1000)th`

D

Same

Text Solution

Verified by Experts

The correct Answer is:
B
`C = 3 xx 10^(10) cm//sec, V =2.18 xx 10^(8) cm//sec`,
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Knowledge Check

  • Velocity of electron in the first orbit of H-atom as compared to that of velocity of light is approximately

    A
    `(1)/(1000)th`
    B
    `(1)/(137)th`
    C
    `(1)/(10)th`
    D
    same

  • The velocity of the electron in the first Bohr orbit as compared to that of light is about

    A
    1/300
    B
    1/500
    C
    1/137
    D
    1/187

  • The velocity of an electron in the first orbit of H atom is v . The velocity of an electron in the second orbit of He^(+) is

    A
    `2 v`
    B
    v
    C
    `(v)/(2)`
    D
    `(v)/(4)`

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