10.2 Loudness and pitch of sound

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Which of the following statement are not correct?


I.		The larger the amplitude, the louder sound produced

II.		The smaller the amplitude, the softer the sound produced

III.		The larger the amplitude, the softer the sound produced

IV.		The smaller the amplitude, the louder the sound produced

Difficulty Level: Medium

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In a concert, to make sure everyone can enjoy the music, the music need to be loud.

Which of the following is the step to increase the loudness of the music?

Difficulty Level: Medium

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Which of the following factor influence the pitch of the sound?

Difficulty Level: Medium

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Graph X has low amplitude than Y.

Meanwhile, graph Z has a higher frequency than Y.

Which of the following represent graph Y?

Difficulty Level: Hard

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What is the unit for frequency?

Difficulty Level: Easy