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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
What is the role of middle ear?
  • A
    Collects sound waves.
  • B
    Amplifies the sound waves.
  • C
    Converts amplified sound energy into electrical energy.
  • D
    Conveys to brain as nerve impulse for interpretation.
✓

Answer

  1. Conveys to brain as nerve impulse for interpretation.

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