General Physics Questions And Answers


Q1. 
Which of the following is a stable nucleus?

Ans.
The nucleus with even number of protons and neutrons


Q2. 
If the internal energy of a nucleus is high, then it is radioactive.

Ans.
True


Q3. 
Which of the following best define nuclear forces?

Ans.
The attraction between protons and neutrons


Q4. 
Find the true statement.

Ans.
The nuclear force is independent of charge


Q5. 
What is the energy released in a nuclear reaction called?

Ans.
Q value


Q6. 
Which of the following is used as a moderator in a nuclear reactor?

Ans.
Heavy water


Q7. 
In nuclear reactors, what are the controlling rods made of?

Ans.
Cadmium


Q8. 
A neutron can cause fission in which of the following?

Ans.
Uranium-235


Q9. 
The manifestation of the band structure in solids is due to which of the following?

Ans.
Pauli’s exclusion principle


Q10. 
The energy band gap is maximum in which of the following?

Ans.
Insulators