Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQs) PDF Download - 9
Apps:
The Sound waves Multiple Choice Questions (MCQs) with Answers PDF (sound waves MCQs PDF e-Book) download Ch. 23-9 to study Grade 7 Science Course. Learn Sound Waves Quiz Questions and Answers to study distance learning courses. The Sound Waves MCQs App Download: Free learning app for sound waves and noise, musics and musical sound, sound absorption, sound waves and echoes, musical instruments test prep for free online classes.
The MCQ: Measure of decibel starts from; "Sound Waves" App Download (Free) with answers: 20; 0; 20000; 10; to study distance learning courses. Solve Sound Waves and Noise MCQ Questions, download Google eBook (Free Sample) for online school classes.
Sound Waves MCQs with Answers PDF Download: Quiz 9
Measure of decibel starts from
- 0
- 20
- 20000
- 10
The mixture of high and low sounds is called a
- rhythm
- bass effect
- beat effect
- wow effect
Echoes are formed when sound
- strikes a wall and reflects back
- strikes a wall and is absorbed
- hits the eardrum repeatedly
- breaks
The use of echo to measure distance is known as
- echo destination
- echolocation
- echo displacement
- echo dictation
In a flute, the length of air cutting through the holes is changed by
- changing length
- changing valves
- fingers
- sealers
Class 7 Science Mock Tests
Sound Waves Learning App: Free Download Android & iOS
The App: Sound Waves MCQs App to learn Sound Waves Textbook, 7th Grade Science MCQ App, and 6th Grade Science MCQs App. The "Sound Waves" App to free download iOS & Android Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!
