Easy Science Class 9 Level 4

SONAR is used for what?

SONAR का उपयोग किसके लिए किया जाता है?

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Correct Answer

A. underwater distance और objects detect करने के लिए / To detect underwater distance and objects

Explanation

Step 1: Identify the concept: this is application of sound. Step 2: SONAR uses reflection of sound waves to detect underwater objects and depth. Step 3: Remember SONAR equals sound navigation under water.

Step 1: concept पहचानें: यह sound application है। Step 2: SONAR sound waves के reflection से underwater objects और depth का पता लगाता है। Step 3: SONAR equals sound navigation under water याद रखें।

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