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

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science Exam MCQs – Practice Test 28 (Chapter 23)

Sound Waves Notes Questions with Answers PDF Download – Test 28

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Learn Sound waves Notes Questions and Answers PDF (Sound Waves Quiz Answers PDF e-Book) download Ch. 23-28 to study Class 7 Science Course. Practice Musical Instruments MCQ PDF, Sound Waves Quiz Questions and Answers to study online certification courses. Study Sound Waves App Download: Free Class 7 Science Notes App to musical instruments, waves of energy, sound waves and noise test prep for distance education.

Free "Sound Waves" App with MCQ: Thing which also effects the sound produced by vibrating strings, is; with answers: mass of strings, tension of strings, angle of strings, and material of strings to study online certification courses. Practice Musical Instruments MCQ Questions, download Kobo e-Book (Free Chapter) for online elementary school classes.

Sound Waves MCQs – Practice Test 28 PDF Download

MCQ 136: The thing which also effects the sound produced by vibrating strings, is:

  1. tension of strings
  2. mass of strings
  3. angle of strings
  4. material of strings

MCQ 137: The number of things that effect the sound produced by vibrating strings is:

  1. 1
  2. 2
  3. 3
  4. 4

MCQ 138: When air vibrates in a short thin tube, the level of note is:

  1. low
  2. high
  3. high pitched
  4. low pitched

MCQ 139: A wave with ups and downs is known as:

  1. transverse wave
  2. longitudinal wave
  3. latitudinal wave
  4. horizontal wave

MCQ 140: The rock concerts have sound level up to:

  1. 80 dB
  2. 100 dB
  3. 120 dB
  4. 140 dB

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