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SONAR : Class 9 Science MCQ Practice Questions & Answers (Marathi) - ObjectiveMcq

Class 9 Science Practice

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PracticeClass 9 SciencePhysicsSoundSONAR

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

1 practice sets · Page 1 of 1

Class 9 ScienceMediumPhysics SoundSONAR

1.

What principle is used in SONAR for navigation?

A

Reflection of sound

B

Diffraction of sound

C

Interference of sound

D

Refraction of sound

Correct Answer:

A — Reflection of sound

Explanation:

SONAR uses the reflection of sound waves to detect underwater objects.