Sound Waves MCQ App | Class 7 Science MCQ e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science MCQs – Practice Test 18 (Chapter 23)

Sound Waves MCQ with Answers PDF Download – Test 18

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Study Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-18 to learn Class 7 Science Course. Study Speed of Sound Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers to learn online schools courses. Learn Sound Waves MCQ App Download: Free Class 7 Science MCQ App to learn speed of sound, ultrasound, waves of energy, sound waves and echoes, vibrations and sound waves test prep for distance education.

Free "Sound Waves" App [Free] iOS & Android with MCQ: Loss of sound energy depends on; with answers: the matter it is passing through, the density of an object, energy level of sound, and resistance in a matter to learn online schools courses. Practice Speed of Sound MCQ Questions, download Apple Book (Free Chapter) for school certificate.

Sound Waves MCQ – Practice Test 18 PDF Download

MCQ 86: The loss of sound energy depends on:

  1. the density of an object
  2. the matter it is passing through
  3. energy level of sound
  4. resistance in a matter

MCQ 87: A component of our body that reflects x-rays is known as:

  1. heart
  2. bones
  3. stomach
  4. brain

MCQ 88: Sound waves spread out from:

  1. the source
  2. air
  3. water vapors
  4. object

MCQ 89: The longer, the echo takes, the:

  1. shallower the water
  2. the deeper the water
  3. the denser the water
  4. the warmer the water

MCQ 90: Sound moves in air because:

  1. temperature is passed on
  2. humidity is passed on
  3. pressure is passed on
  4. heat is passed on

Class 7 Science Notes App & e-Book – Sound Waves Exam Prep

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