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Sound — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceSound1 Mark
MCQ
A musical instrument is producing a continuous note. This note cannot be heard by a person having a normal hearing range. This note must then be passing through:
  • A
    Water.
  • B
    Wax.
  • ✓
    Vacuum.
  • D
    Empty vessel.
✓

Answer

Correct option: C.
Vacuum.
Explanation:
This note must then be passing through vacuum.

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