Explore topic-wise MCQs in Physics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the energy released in the fission of 2 kg of Uranium 235? (Given: energy per fission = 200 MeV)

A. 1.64 10<sup>14</sup> J
B. 1.64 10<sup>15</sup> J
C. 2.64 10<sup>14</sup> J
D. 1.64 10<sup>20</sup> J
Answer» B. 1.64 10<sup>15</sup> J
Discussion
2.

Why is a fusion reaction difficult to perform?

A. The nuclei are set up far from each other
B. The attraction between the nuclei
C. Sun s energy is not sufficient
D. Repulsion between the nuclei
Answer» E.
Discussion
3.

Controlled chain reactions form the basis of an atomic bomb.

A. True
B. False
Answer» C.
Discussion
4.

Which of the following forms the basis of a nuclear reactor?

A. Uncontrolled chain reaction
B. Fast nuclear reaction
C. Controlled chain reaction
D. Catalyst controlled nuclear reaction
Answer» D. Catalyst controlled nuclear reaction
Discussion
5.

Uranium 235 mass should be greater than X, then it is capable of continuous fission by itself. Identify X.

A. Critical size
B. Threshold point
C. Critical shape
D. Specific size
Answer» B. Threshold point
Discussion
6.

Which of the following is the main result of nuclear fission?

A. Helium
B. Strontium
C. Krypton
D. Barium
Answer» E.
Discussion
7.

The nuclear force is short-ranged.

A. True
B. False
Answer» B. False
Discussion
8.

What is the energy released in a nuclear reaction called?

A. R-value
B. Q value
C. P-value
D. Nuclear energy
Answer» C. P-value
Discussion
9.

Which of the following best define nuclear forces?

A. The attraction between protons and neutrons
B. Repulsion between protons and neutrons
C. The attraction between protons and electrons
D. The attraction between electrons and neutrons
Answer» B. Repulsion between protons and neutrons
Discussion