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

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1. Solution

   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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