Explore topic-wise MCQs in Physics Questions and Answers.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

The dimension of εo _______

A. [M-1L-3T4I2]
B. [M-1L-3T4I4]
C. [M-1L-3T2I2]
D. [M1L-3T4I2]
Answer» B. [M-1L-3T4I4]
Discussion
2.

According to Coulomb’s Law force between two charges is k*q1*\(\frac {q_2}{r^2}\). What will happen if one of the charges is zero?

A. No attraction or repulsion
B. Always attraction
C. Always repulsion
D. Cannot predict the nature of the force
Answer» C. Always repulsion
Discussion
3.

Two charges q1, q2 exert some amount of force on each other. What will happen to the force on q1 if another charge q3 is brought close to them?

A. The force will increase
B. The force will decrease
C. The force remains the same
D. The force may increase or decrease depending on whether q3 is positive or negative
Answer» E.
Discussion
4.

If the force between two charges is 9N, what will be the force if the distance between them is doubled and both the charges are increased to √2 times?

A. 9N
B. 4.5N
C. 3N
D. 3.75N
Answer» C. 3N
Discussion
5.

Coulomb’s Law is valid for any distance between the particles.

A. False
B. True
Answer» B. True
Discussion
6.

Coulomb’s Law is valid for ______

A. Only point charge
B. For both point charge and distributed charge
C. Only distributed charges
D. Neither distributed nor point charge
Answer» B. For both point charge and distributed charge
Discussion