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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Which of the following statement best describe frequency?
  • A
    The maximum disturbance caused by a wave.
  • ✓
    The number of complete vibrations per second.
  • C
    The distance between one crest of a wave and the next one.
  • D
    The distance travelled by a wave per second.
✓

Answer

Correct option: B.
The number of complete vibrations per second.
Frequency is defined as number of complete vibrations per second.

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