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ASSERTIONUltrasonic waves are longitudinal waves of frequency greater than 20,000 Hz.REASONThe maximum frequency of audible sound waves is 20,000 Hz.ABoth Assertion and Reason are correct and Reason is the correct explanation for AssertionBBoth Assertion and Reason are correct but Reason is not the correct explanation for AssertionCAssertion is correct but Reason is incorrectDAssertion is incorrect but Reason is correct

sam pandey , 4 Years ago
Grade 8
anser 2 Answers
Rituraj Tiwari

Last Activity: 4 Years ago

dear student,
Ultrasonic waves are longitudinal waves of frequency greater than 20,000 Hz. This implies that a human being cannot hear beyong 20,000 Hz. i.e., the maximum frequency of audible sound is 20,000 Hz.
thank you

ankit singh

Last Activity: 4 Years ago

Ultrasonic waves are longitudinal waves of frequency greater than 20,000 Hz. This implies that a human being cannot hear beyong 20,000 Hz. i.e., the maximum frequency of audible sound is 20,000 Hz.

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