The volume occupied by an atom is greater than the volume of the nucleus by a factor of about:
1. 10
2. 105
3. 1010
4. 1015

Subtopic:  Mass-Energy Equivalent |
 61%
From NCERT
AIPMT - 2003
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A certain mass of hydrogen is changed to Helium by the process of fusion. The mass defect in the fusion reaction is 0.02866 u.The energy liberated per nucleon is:
(given 1 u=931 MeV )
1. 26.7 MeV
2. 6.675 MeV
3. 13.35 MeV
4. 2.67 MeV
Subtopic:  Mass-Energy Equivalent |
From NCERT
AIPMT - 2013
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If M(A, Z)Mp, and Mn denote the masses of the nucleus ZAX, proton, and neutron respectively in units of u (1 u=931.5 MeV/c2) and represent its binding energy (BE) in MeV. Then:

1. M(A,Z)=ZMp+(AZ)MnBEc2
2. M(A,Z)=ZMp+(AZ)Mn+BE
3. M(A,Z)=ZMp+(AZ)MnBE
4. M(A,Z)=ZMp+(AZ)Mn+BEc2
Subtopic:  Mass-Energy Equivalent |
 72%
From NCERT
AIPMT - 2008
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The energy equivalent of 0.5 g of a substance is:
1. 4.5×1013 J 
2. 1.5×1013 J 
3. 0.5×1013 J 
4. 4.5×1016 J 

Subtopic:  Mass-Energy Equivalent |
 63%
From NCERT
NEET - 2020
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The energy required in MeV/c2 to separate 816O into its constituents is:
(Given: mass defect for 816O=0.13691 amu)

1. 127.5 2. 120.0
3. 222.0 4. 119.0
Subtopic:  Mass-Energy Equivalent |
 69%
From NCERT
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