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4 August, 11:42

What change in the sound do you expect to hear when you increase the amplitude of

the sinusoidal signal on the function generator?

Q2: What change in the sound do you

expect to hear when you increase the frequency of the sinusoid?

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Answers (1)
  1. 4 August, 12:56
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    1. The sound becomes louder by increasing its amplitude

    2. The pitch of sound increases by increasing its frequency.

    Explanation:

    Q1.

    The characteristic of sound, which is related to the amplitude of sound wave is Loudness. The amplitude of a wave is associated to the energy carried by it. Therefore, when the amplitude of sound is increased, it increases its energy and thus, we hear a louder sound.

    Q2.

    The characteristic of sound associated with the frequency of wave is the Pitch. When the frequency of sound wave is increased, its wavelength decrease and the sound is heard at a faster speed. This causes the pitch of sound to get high. And as a result we listen a shrill sound. Therefore, by increasing the frequency of sound, the pitch of sound is increased and a shrill sound is heard.
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