Fission and Fusion NEET Questions

Physics - Atoms and Nuclei

Fission and Fusion MCQ Questions


7.
Which of the following is an example of a fusion reaction?
A.
Splitting of Uranium-235
B.
Fusion of hydrogen nuclei in the Sun
C.
Decay of a radioactive nucleus
D.
Emission of an alpha particle
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ANSWER :
B. Fusion of hydrogen nuclei in the Sun
8.
Which of the following statements is true for nuclear fusion?

NEET - 2016

A.
It occurs at low temperature
B.
It occurs at high temperature
C.
It does not release energy
D.
It does not require external energy
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ANSWER :
B. It occurs at high temperature
9.
The nuclear fusion reaction occurring in the Sun primarily involves:
A.
Fusion of helium nuclei
B.
Fusion of hydrogen nuclei
C.
Fission of uranium
D.
Fission of thorium
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ANSWER :
B. Fusion of hydrogen nuclei
10.
What is the major challenge in achieving controlled nuclear fusion?
A.
High energy requirement
B.
Lack of fuel
C.
Excessive gamma radiation
D.
High neutron emission
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ANSWER :
A. High energy requirement
11.
Which of the following fuels is used in nuclear fission reactors?

NEET - 2017

A.
Helium-4
B.
Uranium-235
C.
Hydrogen-1
D.
Lithium-6
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ANSWER :
B. Uranium-235
12.
The energy released per nucleon in fusion reactions is:
A.
More than that in fission
B.
Less than that in fission
C.
Equal to that in fission
D.
Zero
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ANSWER :
A. More than that in fission