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A big explosion on the moon cannot be he...

A big explosion on the moon cannot be heard on the earth because

A

The explosion produces high frequency sound waves which are inaudible

B

Sound waves require a material medium for propagation

C

Sound waves are absorbed in the moon's atmosphere

D

Sound waves are absorbed in the earth's atmosphere

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The correct Answer is:
B
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ERRORLESS-WAVES AND SOUND -ASSERTION & REASON
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  6. नीचे दो कथन दिए गए हैं । एक अभिकथन A है और दूसरा कारण R | अभिकथन A :...

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  21. पढ़ना' के बारे में कौन-सा कथन उचित नहीं है?

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