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A helium atom, a hydrogen atom and a neu...

A helium atom, a hydrogen atom and a neutron have mases of` 4.003 u, 1.008 u` and `1.009 u` (unified atomic mass units), respectively. Assuming that hydogen atoms and neutrons can be fuse to from helium, what is the binding energy of a helium nucleus?

A

`2.01 u`

B

`3.031 u`

C

`1.017 u`

D

`0.031u`

Text Solution

Verified by Experts

The correct Answer is:
d
Refer to the defination of mass defect.
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Knowledge Check

  • One atomic mass unit (u) is equivalent to an energy of :

    A
    931 eV
    B
    9.31 MeV
    C
    1 MeV
    D
    931 MeV

  • The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV ?

    A
    28
    B
    7
    C
    4
    D
    1

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    A
    28.4 MeV
    B
    20.8 MeV
    C
    27.3 MeV
    D
    14.2 MeV

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