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Gyromagnetic ratio of the electron revol...

Gyromagnetic ratio of the electron revolving in a circular orbit of hydrogen atom is `8.8 xx 10^(10) C kg^(-1)`. What is the mass of the electron ? (Given charge of the electron `= 1.6 xx 10^(-19)`C)

A

`1 xx 10^(-29)kg`

B

`0.1 xx 10^(-29)kg`

C

`1.1 xx 10^(-29)kg`

D

`(1)/(11) xx 10^(-29) kg`

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • A conductor has 14.4 xx 10^(-19) C positive charge. The conductor contains (Given charge on an electron =1.6xx10^(-19)C)

    A
    9 electrons in excess
    B
    27 electrons in short
    C
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    D
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  • The velocity of an electron in the first Bohr orbit of hydrogen atom is 2.19 xx 10^(6)ms^(-1) . Its velocity in the second orbit would be

    A
    `1.10 xx 10^(6)ms^(-1)`
    B
    `4.38 xx 10^(6)ms^(-1)`
    C
    `5.5 xx 10^(5)ms^(-1)`
    D
    `8.76 xx 10^(6)ms^(-1)`

  • The radius of the second Bohr orbit for hydrogen atom is : (Planck's constant, h = 6.6262 xx 10^(-34) Js , mass of electron = 9.1091 xx 10^(-31) kg , charge of electron e = 1.60210 xx 10^(-19) C , permittivity of vaccum in_0 = 8.854185 xx 10^(-12) kg^(-1) m^(-3) A^2)

    A
    `1.65 Å`
    B
    `4.76 Å`
    C
    `0.529 Å`
    D
    `2.12 Å`

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