Mass defect of helium 
is [Take, mass of proton, 
, mass of neutrons, 
and mass of 
]
A
0.016767 u
B
C
2.00686 u
D
0.0303592 u
Text Solution
Verified by ExpertsThe correct answer is:
D
Mass defect, 
Here, mass number, 
Atomic number, 
Number of protons 
Number of neutrons 
Mass of nucleon in 
Mass of 2 protons + Mass of 2 neutrons
So, mass of nucleons 
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