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PHYSICS CH8 Sound — Science STD 9 — Question

Tamilnadu BoardEnglish MediumSTD 9SciencePHYSICS CH8 Sound1 Mark
MCQ
A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through ______.
  • A
    wax
  • B
    vacuum
  • C
    water
  • D
    empty vessel
✓

Answer

A musical instrument is producing continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through empty vessel.

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