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Time taken by an electrons to complete o...

Time taken by an electrons to complete one revolution in the Bohr orbit of the `H` atom is

A

`(nh)/(4pi^(2)mr)`

B

`(4pi^(2)mr^(2))/(nh)`

C

`(2pimr)/(n^(2)h^(2))`

D

`h/(2pimr)`

Text Solution

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The correct Answer is:
B
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The time taken for an electron to complete one revolution in Bohr orbit of hydrogen atom is

According to Bohr's theory the ratio of time taken by electron to complete one revolution in first excited and second excited states of hydrogen will be:

Knowledge Check

  • Time taken for an electron to complete one revolution in the Bohr orbit of hydrogen atom is

    A
    `(4pi^(2) mr^(2))/(nh)`
    B
    `(nh)/(4pi^(2)mr)`
    C
    `(2pimr)/(n^(2) h^(2))`
    D
    `(h)/(2pi mr)`

  • The time taken by the electron in one complete revolution in the n^(th) Bohr's orbit of the hydrogen atom is :

    A
    Inversely proportional to ` n^2`
    B
    Directly proportional to ` n^3`
    C
    Directly proportional to ` (h)/(2 pi)`
    D
    Inversely proportional to `(n )/(h )`

  • According to Bohr's theory, the ratio of the times taken by the electron in a hydrogen atom to complete one revolution in orbits corresponding to ground and first excited states is

    A
    `1:4`
    B
    `4:1`
    C
    `1:8`
    D
    `8:1`

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