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Sound — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceSound1 Mark
MCQ
A pendulum oscillates $20$ times in $4$ seconds. Find its time period.
  • A
    $0.05$ sec.
  • B
    $0.001$ sec.
  • ✓
    $0.2$ sec.
  • D
    $0.1$ sec
✓

Answer

Correct option: C.
$0.2$ sec.

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