Waves in Class 9 Science : Practice MCQ Questions & Answers with Explanations

2 practice sets · Page 1 of 1

1.

Which of the following waves does not require a medium for propagation?

A

Sound

B

Seismic waves

C

Radio waves

D

Ocean waves

View Answer

Correct Answer: C — Radio waves

Explanation:

Radio waves are electromagnetic waves and can travel through a vacuum.

2.

Which of the following is a transverse wave?

A

Light waves

B

Sound waves in water

C

Waves in a slinky

D

Sound waves in air

View Answer

Correct Answer: A — Light waves

Explanation:

Light waves are transverse electromagnetic waves.