Explore topic-wise MCQs in Physics Questions and Answers.

This section includes 4 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.

An electric field \(3\hat{j} + 4\hat{k}\) N/C is present at a place. What will be the electric flux passing through a square plate if the plate is placed in the y-z plane?

A. 7 Nm2C-1
B. 25 Nm2C-1
C. Zero
D. 17 Nm2C-1
Answer» D. 17 Nm2C-1
2.

In the CGS system, \(\frac {1}{\varepsilon_o}\) is replaced by _______ if k is the dielectric constant of the medium.

A. \(\frac {4\pi}{k}\)
B. \(\frac {2\pi}{k}\)
C. \(\frac {1}{k}\)
D. 1
Answer» B. \(\frac {2\pi}{k}\)
3.

Gauss’s Law is applicable only in the case of the electric field. This statement is __________

A. True
B. False
Answer» C.
4.

Net inward and outward flux of a closed surface are φ1 and φ2. What is the charge enclosed inside the surface?

A. Zero
B. -(∅1-∅2)εo
C. (∅1-∅2)εo
D. \(\frac {(\emptyset_1 + \emptyset_2)}{\varepsilon_o}\)
Answer» C. (∅1-∅2)εo