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Class 11
CHEMISTRY
The charge to mass ratio of alpha- part...

The charge to mass ratio of `alpha-` particles is approximately to the charge to mass ratio of protons:

A

Half

B

Twice

C

4 times

D

6 times

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Text Solution

Verified by Experts

The correct Answer is:
B
e/m value of ion `=("magnitude of charge")/("mass number")`
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The charge on alpha particle is ………The charge on proton

Which particle has constant charge to mass ratio for all matter?

Knowledge Check

  • Cathode rays have same charge to mass ratio as

    A
    `Beta-rays`
    B
    `alpha-particles`
    C
    protons
    D
    anode rays

  • Cathode rays have same charge to mass ratio as

    A
    `alpha`-particles
    B
    `beta`-rays
    C
    Anode rays
    D
    Protons

  • The charge to mass ratio of electron was found out to be

    A
    `1.6022 xx 10^(-19) C kg^(-1)`
    B
    ` 1.925 xx 10^(12) C kg^(-1)`
    C
    ` 1.758 xx 10^(11) C kg^(-1)`
    D
    ` 1.869 xx 10^(13) Ckg^(-1)`

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    An alpha -particle of velocity 2.3xx10^7 m/s exhibits back scattering by a gold foil (Z=79).Predict the maximum possible radius of the gold nucleus approximately Charge of mass ratio for alpha -particle is 4.8xx10^7 C/kg.

    A : The charge to mass ratio of the particles anode rays depends on nature of gas taken the discharge tube . R : The particles of anode rays carry positive charge

    Charge to mass ratio of electron was determined by

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