Question

SONAR works on the principle of

• A. reflection of sound
• B. momentum of sound waves
• C. energy of sound waves
• D. refraction of sound waves

Answer 1

The correct option is A

reflection of sound

1. SONAR is a device that makes use of ultrasonic sounds
2. It contains a transmitter, which transmits the signals, and a receiver that receives the reflected sound waves.

Hence, option (A) is the correct answer.