Class 7 Courses

Chapter 23: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 23

Sound Waves Quiz Questions & Answers PDF Download - 11

The Sound waves Quiz Questions and Answers PDF (sound waves Quiz PDF e-Book) download Ch. 23-11 to learn Grade 7 Science Course. Solve All Around Sounds MCQs PDF, Sound Waves Quiz Questions and Answers to study online courses. The Sound Waves Quiz App Download: Free learning app for all around sounds, frequency and pitch, vibrations and sound waves, speed of sound, musical instruments test prep for virtual online school.

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Sound Waves Exam Questions and Answers PDF Download: Test 11

MCQ 51:

Sounds of birds and animals are

  1. artificial
  2. natural
  3. man made
  4. made electronically
MCQ 52:

Compared to drum, the vibration of a whistle is

  1. quite low
  2. high
  3. same
  4. of very high pitch
MCQ 53:

The part of sound wave where air pressure is greater, is known as

  1. compression
  2. rarefaction
  3. consolation
  4. expansion
MCQ 54:

When sound travels, it

  1. absorbs energy
  2. gains energy
  3. loses energy
  4. transfers energy
MCQ 55:

Musical instruments are so designed that they could produce

  1. musical notes
  2. pitch
  3. rhythm
  4. musical beat

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Sound Waves App (Android & iOS)

Sound Waves App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (iOS & Android)