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What is the ratio of mass of an electron...

What is the ratio of mass of an electron to the mass of a proton ?

A

`1 : 2`

B

`1 : 1`

C

`1 : 1837`

D

`1 : 3`

Text Solution

Verified by Experts

The correct Answer is:
C
( c) Electron `(1)/(1837)` time lighter than proton so their mass ratio will be `1 : 1837`
ratio `= (1.67 xx 10^-27)/(9.1 xx 10^-31) = 1837`.
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Knowledge Check

  • What is the ratio of mass an electron to the mass of a proton

    A
    `1:2`
    B
    `1:1`
    C
    `1:1837`
    D
    `1:3`

  • The mass of a proton is

    A
    1.0073 a.m.u.
    B
    `1.6726xx10^(-27)` kg
    C
    both a and b
    D
    neither a nor b

  • Mass of proton is

    A
    1.0000 amu
    B
    1.0073 amu
    C
    0.9073 amu
    D
    `5.486xx10^(-4)` amu

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