Sound Waves Notes App Download | Class 7 Science Notes e-Book PDF | 16
Class 7 Science MCQs (Grade 7) From Textbook

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

Sound Waves Notes Questions and Answers PDF – Test 16

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Learn Sound waves Notes Questions and Answers PDF for science virtual learning courses. Download the Sound Waves Quiz Answers PDF e-Book, Ch. 23-16 to study Class 7 Science Course. Practice Speed of Sound MCQ PDF, Sound Waves Quiz Questions and Answers for science virtual learning courses. Download the Sound Waves Notes App: Free Class 7 Science Notes App to speed of sound, sound and vacuum, musical instruments test prep for science virtual education systems.

Free Sound Waves Notes App Download: Sound cannot travel in vacuum because; MCQ with answers: there is no air in vacuum, there is no pressure in vacuum, there is no humidity in vacuum, and there are no particle in vacuum. Practice Speed of Sound MCQ Questions, download Kobo e-Book (Free Chapter) to strengthen academic skills online.

Sound Waves Notes Q&A PDF Download – Practice Test 16

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

Simple Chemical Reactions MCQs
Investigating Space MCQs
Electric Circuits MCQs
Human Transport System MCQs
Solutions MCQs
Physical and Chemical Changes MCQs
Solar System MCQs
Respiration and Food Energy MCQs

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