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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
$1\ Hz$ is:
  • A
    $1$ vibration per minute.
  • B
    $360$ vibration per minute.
  • C
    $10$ vibration per minute.
  • ✓
    $60$ vibration per minute.
✓

Answer

Correct option: D.
$60$ vibration per minute.

Frequency of $1\ Hz$ implies to $1$ complete vibration per second. This means, $60$ complete vibrations in $60$ second, or, in $1$ minute.

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