Composition and Size of Nucleus (Atomic Masses, Mass-Energy Relation, Mass Defect...) NEET Questions

Physics - Atoms and Nuclei

Composition and Size of Nucleus (Atomic Masses, Mass-Energy Relation, Mass Defect...) MCQ Questions


7.
What is the approximate size of an atomic nucleus?

NEET - 2016

A.
10⁻¹⁰ m
B.
10⁻¹² m
C.
10⁻¹⁵ m
D.
10⁻⁶ m
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ANSWER :
C. 10⁻¹⁵ m
8.
Which equation represents Einstein’s mass-energy relation?

NEET - 2017

A.
E = mc²
B.
E = mv²
C.
E = mc
D.
E = m/c²
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ANSWER :
A. E = mc²
9.
Binding energy per nucleon is maximum for which element?
A.
Hydrogen
B.
Iron-56
C.
Uranium-238
D.
Carbon-12
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ANSWER :
B. Iron-56
10.
The unit of binding energy is:
A.
Joule
B.
Kilogram
C.
Electronvolt
D.
MeV
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ANSWER :
D. MeV
11.
Mass defect in a nucleus is defined as the difference between:

NEET - 2018

A.
Actual mass and sum of nucleon masses
B.
Neutron mass and proton mass
C.
Proton mass and electron mass
D.
Atomic mass and nuclear mass
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ANSWER :
A. Actual mass and sum of nucleon masses
12.
The energy equivalent of 1 atomic mass unit (amu) is:
A.
9.31 MeV
B.
1.6 MeV
C.
931 MeV
D.
0.931 MeV
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ANSWER :
C. 931 MeV