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

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 25 (Chapter 23)

Sound Waves MCQs with Answers PDF Download – Test 25

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Learn Sound waves Multiple Choice Questions (MCQs) with Answers PDF (Sound Waves MCQs PDF e-Book) download Ch. 23-25 to study Class 7 Science Course. Learn Sound Waves Quiz Questions and Answers to learn online courses. Study Sound Waves MCQs App Download: Free Class 7 Science App to frequency and pitch, sound waves and echoes, all around sounds test prep for distance learning.

Free "Sound Waves MCQs" App Download [Free] with MCQ: Sound of a whistle is; with answers: high pitched, low pitched, low pitched with short wavelengths, and high pitched with long wavelengths to learn online courses. Solve Frequency and Pitch MCQ Questions, download Google e-Book (Free Chapter) for online degree programs.

Sound Waves MCQs – Practice Test 25 PDF Download

MCQ 121: The sound of a whistle is:

  1. low pitched
  2. high pitched
  3. low pitched with short wavelengths
  4. high pitched with long wavelengths

MCQ 122: The depth of the sea or ocean is calculated by a:

  1. machine
  2. microchip
  3. special fish
  4. special detector

MCQ 123: Bats produce sounds with:

  1. long bursts with low frequency
  2. long bursts with high frequency
  3. short bursts with low frequency
  4. short bursts with high frequency

MCQ 124: A reflected sound is known as:

  1. reflection of sound
  2. rarefaction
  3. refraction of sound
  4. echo

MCQ 125: Rapid backward and forward movements are known as:

  1. disturbance
  2. noise
  3. vibration
  4. sound

Class 7 Science MCQs App & e-Book – Sound Waves Study Guide

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