Sonar | MCQs

Explanation

Sonar (Sound Navigation and Ranging) uses sound waves to detect and locate objects underwater.

It works by emitting sound pulses into the water

And listening for the echoes that bounce back from objects like submarines, fish, or the seafloor.

Sonar is commonly used in navigation, fishing, and underwater exploration.

Explanation

• A Periscope is an optical instrument used to observe objects that are not in direct line of sight.
• Such as monitoring the surface of the water from a submarine.

Explanation

SONAR stands for Sound Navigation and Ranging,

Sonar (Sound Navigation and Ranging) uses sound waves to detect and locate objects underwater