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The mass of an electron in amu is...

The mass of an electron in amu is

A

`5.48xx10^(-3)` amu

B

`9.109xx10^(-28)` amu

C

`5.48xx10^(-4)` amu

D

`9.109xx10^(-31)` amu

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Knowledge Check

  • The mass of an atom of ""_(2)He^(4) is 4.0026 amu . The mass of a neutron and a proton are 1.0087 amu and 1.0078 amu respectively. The nuclear binding energy per nucleon is nearly

    A
    7 MeV
    B
    5 MeV
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    D
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  • The atomic mass of Al^(27) is 26.9815 amu . The mass of electron is 0.0005498 amu . The rest mass energy of Al^(27) nucleus is

    A
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    D
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  • The atomic mass of B^(10) is 10.811 amu . Find the binding energy of B^(10) nucleus . The mass of electron is 0.0005498 amu. The mass of proton is m_(p) = 1.007276 amu . The mass of neutron is m_(n) = 1.008665 amu.

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    B
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