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Proton has a mass of 1840 times that of ...

Proton has a mass of 1840 times that of an electron. If a proton is accelerated from rest by a potential difference of 1V, its kinetic energy is

A

1840 eV

B

1eV

C

1meV

D

0

Text Solution

Verified by Experts

The correct Answer is:
B
Charge on proton= e
Hence, when proton is accelerated through a potential difference 1V. Its KE= 1eV
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Knowledge Check

  • Proton has a mass of 1840 times that of an electron. If a proton is accelerated from rest by a potential difference of 1 V its kinetic energy is

    A
    1840eV
    B
    1 eV
    C
    1 meV
    D
    0

  • The kinetic energy of an electron accelerated through a potential difference of 100V is

    A
    `1.6 xx 10^(21)J`
    B
    `1.6 xx 10^(-29)J`
    C
    `1.6 xx 10^(-17)J`
    D
    `1.6 xx 10^(-34)J`

  • The mass of an electron is m, its charge e and it is accelerated from rest through a potential difference V. The Kinetic energy of the electron in joules will be:

    A
    V
    B
    eV
    C
    MeV
    D
    None

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    In Division Germer experiment an electron is accelerated through a potential difference of 100,000 V. The energy acquired by the electron is :

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