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Class 7 Science MCQs – Practice Test 16 (Chapter 23)

Sound Waves Notes Questions with Answers PDF Download – Test 16

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Sound Waves MCQs – Practice Test 16 PDF Download

MCQ 76: Sound travels more fast in:

  1. air
  2. liquids
  3. solids
  4. all of above

MCQ 77: Sound cannot travel in vacuum because:

  1. there is no pressure in vacuum
  2. there is no air in vacuum
  3. there is no humidity in vacuum
  4. there are no particle in vacuum

MCQ 78: Sound created by musical instruments is amplified by:

  1. increasing string vibration
  2. decreasing string vibration
  3. wooden sound box
  4. metallic sound box

MCQ 79: The length of air cutting is changed by:

  1. valves
  2. fingers
  3. valves and fingers
  4. hands

MCQ 80: An example of stringed instruments is:

  1. guitar
  2. saxophone
  3. drum
  4. flute

Sound Waves Notes App & e-Book – Class 7 Science Admission Tests

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Digestive System MCQs
Sound Waves MCQs
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Electrical Circuits and Electric Currents MCQs
Electric Circuits MCQs
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