Class 7 Courses

Chapter 23: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 23

Sound Waves Multiple Choice Questions (MCQ) PDF Download - 18

The Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-18 to learn Grade 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. The Sound Waves MCQ App Download: Free educational app for speed of sound, ultrasound, waves of energy, sound waves and echoes, vibrations and sound waves test prep for distance education.

The MCQs: The loss of sound energy depends on; "Sound Waves" App (Android, iOS) with answers: The matter it is passing through; The density of an object; Energy level of sound; Resistance in a matter; to learn online schools courses. Practice Speed of Sound MCQ Questions, download Apple e-Book (Free Sample) for school certificate.

Sound Waves MCQs with Answers PDF Download: Quiz 18

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

Sound Waves Textbook App: Free Download iOS & Android

The App: Sound Waves MCQ App to study Sound Waves Textbook, 7th Grade Science MCQs App, and 6th Grade Science MCQs App. The "Sound Waves MCQ" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Sound Waves App (Android & iOS)

Sound Waves App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

6th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (iOS & Android)