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The radius of electron's second stationa...

The radius of electron's second stationary orbit in Bohr's atom is `R`. The radius of the third orbit will be

A

`(r_(0))/(9)`

B

`r_(0)`

C

`9r_(0)`

D

`3r_(0)`

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • If radius of second stationary orbit (in Bohr's atom) is R. Then radius of third orbit will be :-

    A
    `R//3`
    B
    `9R`
    C
    `R//9`
    D
    `2.25 R`

  • The radius of second Bohr's orbit is

    A
    `0.053 nm`
    B
    `(0.053)/(4)nm`
    C
    `0.053 xx 4 nm`
    D
    `0.053 xx 20 nm`

  • The radius of the first Bohr orbit of hydrogen atom is 0.529Å . The radius of the third orbit of H will be:

    A
    `8.46Å`
    B
    `0.705Å`
    C
    `1.59Å`
    D
    `4.76Å`

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