M2 Physics Sub-Module No 5(Quiz No:1)

Wave Motion and Sound

Quiz

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1. The term “pitch” is used to describe ?
   1.   The frequency of current
   2.   The frequency of a wave
   3.   The frequency of a sound
2. A faint whisper would have an intensity of ?
   1.   40 dB
   2.   60 dB
   3.   20 dB
3. Sound travels through matter in the form of ?
   1.   transverse wave motions
   2.   longitudinal wave motions
   3.   standing wave motions
4. Turbojet engine at takeoff at 150ft have an intensity of ?
   1.   130 db
   2.   500 db
   3.   1000 db
5. A mathematical curve that describes a smooth periodic oscillation ?
   1.   sine wave
   2.   transverse waves
   3.   longitudinal waves
6. Water waves are known as ?
   1.   transverse waves
   2.   standing waves
   3.   longitudinal waves
7. Who many fundamental types of waves ?
   1.   three
   2.   two
   3.   five
8. The speed of sound in aluminum at 20°c is ?
   1.   16,700 fps
   2.   16,000 mps
   3.   12,700 km/m
9. A pneumatic drill have an intensity of ?
   1.   180 dB
   2.   1800 dB
   3.   80 dB
10. Sound wave intensity is proportional to the ?
    1.   Square of the velocity variation
    2.   Square of the pressure variation
    3.   The pressure variation