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Sound — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceSound1 Mark
MCQ
Vocal cords in men are about $............$ long.
  • ✓
    $20\ mm$
  • B
    $20\ cm$
  • C
    $2\ mm$
  • D
    $2\ cm$
✓

Answer

Correct option: A.
$20\ mm$

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