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.

The angle of dip at a certain place on Earth is 30o and the magnitude of Earth’s horizontal component of magnetic field is 0.35 G. Find the magnetic field at that place on Earth.

A. 0.35 G
B. 0.40 G
C. 0.45 G
D. 0.50 G
Answer» C. 0.45 G
2.

When is the angle of dip at a place equal to 45o?

A. When the vertical and horizontal components of earth’s magnetic field are equal
B. When the vertical component is twice the horizontal component of earth’s magnetic field
C. When the vertical component is half the horizontal component of earth’s magnetic field
D. When either the vertical component or the horizontal components of earth’s magnetic field is equal to zero
Answer» B. When the vertical component is twice the horizontal component of earth’s magnetic field
3.

At a given place on the Earth’s surface, the horizontal component of Earth’s magnetic field is 9 × 10-5 T and the resultant magnetic field is 180 × 10-6. Calculate the angle of dip at this place.

A. 45o
B. 0o
C. 60o
D. 30o
Answer» D. 30o
4.

Which among the following is denoted by δ?

A. Horizontal component
B. Magnetic meridian
C. Magnetic declination
D. Magnetic inclination
Answer» E.