Class 7 Science MCQs - Chapter 23
Sound Waves Quiz Questions & Answers PDF Download - 11
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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: Grade 7 Science Learning App [Free] for all around sounds, frequency and pitch, vibrations and sound waves, speed of sound, musical instruments test prep for virtual online school.
The Quiz: Sounds of birds and animals are; "Sound Waves" App (iOS, Android) with answers: natural, artificial, man made, and made electronically to study online courses. Study All Around Sounds MCQ Questions, download Amazon eBook (Free Sample) for online education programs.
Sound Waves Exam Questions and Answers PDF Download: Test 11
Sounds of birds and animals are
- artificial
- natural
- man made
- made electronically
Compared to drum, the vibration of a whistle is
- quite low
- high
- same
- of very high pitch
The part of sound wave where air pressure is greater, is known as
- compression
- rarefaction
- consolation
- expansion
When sound travels, it
- absorbs energy
- gains energy
- loses energy
- transfers energy
Musical instruments are so designed that they could produce
- musical notes
- pitch
- rhythm
- musical beat
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