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    Physics
    Grade-8
    Easy

    Question

    The loudness of a sound is given by its _____. 

    1. Amplitude
    2. Frequency
    3. Wavelength
    4. Time period

    Hint:

    The loudness of a sound is given by its amplitude

    The correct answer is: Amplitude

      • The amplitude of sound determines the loudness of sound.
      • A larger amplitude means a louder sound
      • And a smaller amplitude means a softer sound.

      Related Questions to study

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      A louder sound is audible even if the source of sound is far away. This is because ____. 

      1. Louder sounds are of greater frequency 
      2. Louder sounds transfer a high amount of energy 
      3. Louder sounds are of smaller frequency 
      4. Louder sounds transfer a low amount of energy 

      A louder sound is audible even if the source of sound is far away. This is because ____. 

      PhysicsGrade-8
      1. Louder sounds are of greater frequency 
      2. Louder sounds transfer a high amount of energy 
      3. Louder sounds are of smaller frequency 
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      The picture below shows sound waves in different colors. Pick the color of the sound wave which is of the highest frequency. 
      Inserting image...

      1. Purple
      2. Blue
      3. Red
      4. Yellow

      The picture below shows sound waves in different colors. Pick the color of the sound wave which is of the highest frequency.