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Ratio of time period of electron in firs...

Ratio of time period of electron in first and second orbit of H-atom would be -

A

`1:18`

B

`1:8`

C

`1:2`

D

`2:1`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • The speed of the electron in the second orbit in a H-atom is

    A
    `1.1xx10^(6) m//s`
    B
    `2.1 xx10^(6) m//s`
    C
    `1.5xx10^(6) m//s`
    D
    `2.5xx10^(6) m//s`

  • The ratio of the speed of electron in first Bohr orbit of H-atom to speed of light in vacuum is

    A
    `137`
    B
    `7.30 xx 10^(-3)`
    C
    `100`
    D
    `10^(-2)`

  • The ratio of the speed of an electron in the first orbit of hydrogen atom to that in the first orbit of He is

    A
    `1:2` .
    B
    `2:1` .
    C
    `1:4` .
    D
    `4:1` .

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    If the energy of an electron in the second Bohr orbit of H-atom is -E, what is the energy of the electron in the Bohr's first orbit?

    What is the value of n for which time period is 8 times the time period of electron is first orbit of hydrogen atom ?

    The radius of the first Bohr orbit of the hydrogen atom is 0.53 Å and angular momentum of the electron in that orbit is 1.055xx10^(-34) Js. The linear speed of the electron in the second orbit of the H-atom is

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    Ratio of radii of second and first Bohr orbits of H atom

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