Class 7 Courses

Sound Waves MCQs App Download - Grade 7 Science PDF e-Book

Class 7 Science MCQs - Chapter 23

Sound Waves Multiple Choice Questions (MCQs) PDF Download - 1

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7th Grade Science App (Play Store) 7th Grade Science App (App Store)

The Sound waves Multiple Choice Questions (MCQs) with Answers PDF (Sound Waves MCQs PDF e-Book) download Ch. 23-1 to study Grade 7 Science Course. Learn Sound Waves Quiz Questions and Answers to learn online classes courses. The Sound Waves MCQs App Download: Free Grade 7 Science Study [Free] App for speed of sound, all around sounds, sound absorption test prep for online school and college.

The MCQ: As compare to air, sound travels faster in "Sound Waves" App Download [Free] with answers: gases, liquids, vacuum, and fluids to learn online classes courses. Solve Speed of Sound MCQ Questions, download Google e-Book (Free Sample) for online school courses.

Sound Waves MCQs with Answers PDF Download: Quiz 1

MCQ: 1

As compare to air, sound travels faster in

  1. liquids
  2. gases
  3. vacuum
  4. fluids
MCQ: 2

Sounds of vehicles, aircrafts and machines are called

  1. artificial sounds
  2. natural sounds
  3. noise
  4. normal sounds
MCQ: 3

Large empty room often sounds

  1. full
  2. hollow
  3. noisy
  4. repeating
MCQ: 4

For communication astronauts use radio because

  1. sound travels at very high speed in vacuum
  2. sound does not travel in vacuum
  3. vacuum repels sounds
  4. sound energy turns into light in vacuum
MCQ: 5

In concert halls, soft materials and carpets are used to

  1. increase sound waves
  2. absorb sound waves
  3. retract sound waves
  4. refract sound waves

Sound Waves Study App: Free Download iOS & Android

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Sound Waves Apps (Android & iOS)

Sound Waves App

7th Grade Science Apps (Android & iOS)

7th Grade Science App

6th Grade Science Apps (Android & iOS)

6th Grade Science App

Earth Science Apps (Android & iOS)

Earth Science App