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SACE (South Australia) Sound — practice questions — page 2

Explore 31 free Sound questions in SACE (South Australia) Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Sound questions and exercises with answers

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Questions
  1. Question
    Unit of frequency
    Choices
    1. Metre
    2. Hertz
    3. Newton
    Correct choice
    Hertz
  2. Question
    Audible range for humans
    Choices
    1. 2-200 Hz
    2. 0-2 Hz
    3. 20-20,000 Hz
    Correct choice
    20-20,000 Hz
  3. Question
    Unwanted sound is called
    Choices
    1. noise
    2. music
    3. echo
    Correct choice
    noise
  4. Question
    The eardrum sends vibrations to the
    Choices
    1. nose
    2. inner ear
    3. lungs
    Correct choice
    inner ear
Instructions
Pick the right answer before the next one arrives.
_Source: syllabus Science, Ch 10 'Sound' (hesc110)_

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