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Sound Worksheet-1

Sound Worksheet-1

 

  1. Time taken by an object to complete one oscillation is called______.

 

  1. Loudness is determined by the _____ of vibration.

 

  1. The unit of frequency is ______.

 

  1. Unwanted sound is called ______.

 

  1. Shrillness of a sound is determined by the ______ of vibration.

 

  1. The numbers of oscillations in one second are called____.

 

  1. The hearing range of human ears is______.

 

  1. Sound cannot travel in ______.

 

  1. Sound can travel in ___, ___ and ____ medium.

 

  1. Math the following:

 

Answer:

  1. time period

  2. Amplitude

  3. Hertz

  4. Noise

  5. Frequency

  6. Frequency

  7. 20 Hz to 20,000 Hz

  8. Vacuum

  9. solids, liquids, gases

  10. A–S, B–T, C–P, D–Q, E–R