Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQ) PDF Download - 14
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The Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-14 to learn Grade 7 Science Course. Study Musical Instruments Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers to learn homeschool online courses. The Sound Waves MCQ App Download: Grade 7 Science Learning App [Free] for musical instruments, sound absorption, musics and musical sound, sound waves and noise test prep for online schools.
The MCQs: The term "vibration" has been derived from Latin word; "Sound Waves" App (Android, iOS) with answers: vibrationem, loqui, silentium, and biennium to learn homeschool online courses. Practice Musical Instruments MCQ Questions, download Apple e-Book (Free Sample) for distance learning.
Sound Waves MCQs with Answers PDF Download: Quiz 14
The term "vibration" has been derived from Latin word
- loqui
- vibrationem
- silentium
- biennium
Repetition of sound in empty hall is known as
- echo
- harsh echo
- hollow echo
- soft echo
String instruments produce sound when
- string is pushed
- string is pulled
- string is banged
- string lift up
The sequence of notes is known as
- plain
- scale
- balance
- proportion
Long exposure to sounds is dangerous for
- ears
- brain
- nerves
- eyes
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