Fission and Fusion NEET Questions

Physics - Atoms and Nuclei

Fission and Fusion MCQ Questions


1.
Which of the following processes occurs in nuclear reactors?
A.
Nuclear fusion
B.
Nuclear fission
C.
Beta decay
D.
Alpha decay
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ANSWER :
B. Nuclear fission
2.
In nuclear fission, a heavy nucleus splits into:
A.
Two or more lighter nuclei
B.
Gamma rays
C.
Neutrons only
D.
Protons and electrons
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ANSWER :
A. Two or more lighter nuclei
3.
Which element is commonly used as fuel in nuclear fission reactions?
A.
Uranium-235
B.
Hydrogen-1
C.
Carbon-12
D.
Helium-4
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ANSWER :
A. Uranium-235
4.
Which of the following reactions represents nuclear fission?

NEET - 2015

A.
¹H + ¹H → ²H
B.
²³⁵U + neutron → Ba + Kr + neutrons
C.
⁴He + ⁴He → ⁸Be
D.
¹²C + ¹H → ¹³N
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ANSWER :
B. ²³⁵U + neutron → Ba + Kr + neutrons
5.
The energy released in a nuclear fission reaction is primarily due to:
A.
Loss of protons
B.
Loss of neutrons
C.
Conversion of mass into energy
D.
Emission of gamma rays
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ANSWER :
C. Conversion of mass into energy
6.
Which particle is used to initiate nuclear fission?
A.
Proton
B.
Neutron
C.
Electron
D.
Photon
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ANSWER :
B. Neutron