When you increase the loudness of the ringtone of your mobile phone, the frequency of ringtone

  1. Increases
  2. decreases
  3. remains same
  4. cannot be determined

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  1. The correct answer is remains same.

    Concept:
    Sound

    • Sound is a form of energy which produces a sensation of hearing in our ears.
    • Sound is produced by vibrating objects. The matter or substance through which sound is transmitted is called a medium. It can be solid, liquid or gas.

    Explanation:

    • As the loudness of the mobile ringtone increases, the frequency of the ringtone remains same.
    • The loudness is expressed in a unit called decibel (dB).
    • Loudness is the physical response of the ear to the intensity of sound.
    • A sound with more energy is referred to as a strong sound.
    • Loudness of sound is proportional to the square of the amplitude of the vibration producing the sound.
    • Loudness ∝ (amplitude)2
    • The loudness of sound waves does not depend on the frequency of the sound waves.

    Additional Information

    • When the amplitude is greater, the loudness of the sound is also higher. 
    • When the amplitude is low, the sound produced will be dim.
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