Class 7 Science Study App | Sound Waves Notes e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 8 (Chapter 23)

Sound Waves Notes Questions with Answers PDF Download – Test 8

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Sound Waves MCQs – Practice Test 8 PDF Download

MCQ 36: As compare to humans, bats can hear sounds only with:

  1. low frequency
  2. low pitch
  3. low amplitude
  4. high pitch

MCQ 37: In one wavelength, wave passes through:

  1. one complete vibration
  2. two complete vibrations
  3. one and a half vibration
  4. two and a half vibration

MCQ 38: If frequency is high, the peak of the waves would be:

  1. uneven
  2. closer
  3. distant
  4. even

MCQ 39: If frequency increases,:

  1. wavelength also increases
  2. amplitude also increases
  3. number of waves also increases
  4. amplitude decreases

MCQ 40: The organs of a human that detect sounds are:

  1. eyes
  2. ears
  3. feet
  4. hands

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