Waves questions | form four Physics

A sound is sent out from the ship and its reflection from the floor of the ocean returns one second later. Assuming that the velocity of sound in water is 1500 m/s, how deep is the ocean?

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UNSOLVED

What is meant by the following terms?
(i) Resonance
(ii) Overtones.

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UNSOLVED

Briefly give reasons for the following:
(i) the fundamental frequency may alter during the day.
(ii) notes of the same pitch played on a violin and a flute sound different.

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UNSOLVED

The frequency obtained from a plucked string is 400 Hz when the tension is 2 N. Calculate:
(i) the frequency when the tension is increased to 8 N.
(ii) the tension needed to produce a note of frequency of 600 Hz.

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UNSOLVED

The timbre of a sound is also referred to as?

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UNSOLVED