Q. 715.0( 4 Votes )

A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:

A. water B. wax

C. vacuum D. empty vessel

Answer :

A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through vacuum.

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