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If the amplitude of a wave is doubled, w...

If the amplitude of a wave is doubled, what will be the effect on its loudness ?

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To determine the effect on loudness when the amplitude of a wave is doubled, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Relationship Between Loudness and Amplitude**: Loudness (L) is directly proportional to the square of the amplitude (A) of the wave. This can be expressed mathematically as: \[ L \propto A^2 ...
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Knowledge Check

  • By reducing the amplitude of a sound wave, its :

    A
    pitch increases
    B
    loudness decreases
    C
    loudness increases
    D
    pitch decreases.

  • The amplitude of em wave in vacuum is doubled with no other changes made to wave. As a result of this doubling of the amplitude, which of the following statement is correct.

    A
    The speed of wave propagation changes only
    B
    The frequency of the wave change only
    C
    The wavelength of the wave changes only
    D
    None of these

  • Change in temperature of the medium changes a) frequency of sound waves b) amplitude of sound waves c) wavelength of sound waves. d) loudness of sound waves

    A
    frequency of sound waves
    B
    amplitude of sound waves
    C
    wavelength of sound waves.
    D
    loudness of sound waves

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