Explore topic-wise MCQs in Physics Questions and Answers.

This section includes 2 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.

Earth’s potential is _______

A. Zero
B. Highly positive
C. Highly negative
D. Varies from place to place
Answer» B. Highly positive
2.

Electric potential varies with distance such that V(x) =ax-bx3; where a and b are constants. Where will the electric field intensity be zero?

A. x=\(\frac {a}{b}\)
B. x=\(\frac {a}{3b}\)
C. x=\(\sqrt{\frac {a}{b}}\)
D. x=+\(\sqrt{\frac {a}{3b}}\) and x=-\(\sqrt{\frac {a}{3b}}\)
Answer» E.