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If the radius of first Bohr orbit be a0,...

If the radius of first Bohr orbit be `a_0`, then the radius of the third orbit would be-

A

3a

B

9a

C

27 a

D

81 a

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • If the radius of first Bohar orbit is x pm, then the radius of the third orbit would be

    A
    `(3xxx)` pm
    B
    `(6xxx)` pm
    C
    `(1/2xxx)` pm
    D
    `(9xxx)` pm

  • If the radius of first Bohr's orbit is r, then radius of second orbit will be

    A
    `2r`
    B
    `r/2`
    C
    `4r`
    D
    `sqrt2r`

  • If the radius of the innermost Bohr orbit is 0.53Å , the radius of the 4th orbit is

    A
    8.48 Å
    B
    16 Å
    C
    81 Å
    D
    4 Å

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