Class 8 Science MCQs - Chapter 12
Sound and Hearing Quiz Questions & Answers PDF Download - 7
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The Sound and hearing Quiz Questions and Answers PDF (sound and hearing Quiz PDF e-Book) download Ch. 12-7 to learn Grade 8 Science Course. Solve Pitch and Loudness MCQs PDF, Sound and Hearing Quiz Questions and Answers to study online certification courses. The Sound and Hearing Quiz App Download: Free learning app for pitch and loudness, hearing sounds test prep for online elementary school classes.
The Quiz: Sounds which are below 20Hz frequencies are called; "Sound and Hearing" App (iOS, Android) with answers: Ultrasound; Infrasound; Mega sound; Micro sound; to study online certification courses. Study Pitch and Loudness MCQ Questions, download Amazon eBook (Free Sample) for online certificate courses.
Sound and Hearing Exam Questions and Answers PDF Download: Test 7
Sounds which are below 20Hz frequencies are called
- infrasound
- ultrasound
- mega sound
- micro sound
A form of energy which is produced by vibrations and can be detected by ears is called
- sound
- waves
- heat
- electric current
Loudness is measured by
- sound level meter
- spectrometer
- thermostat
- thermometer
Sound travels at speed of 5960m/s in
- air
- water
- steel
- water
The regions where molecules are compressed are called
- rarefactions
- compressions
- digressions
- progressions
Class 8 Science Mock Tests
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8th Grade Science MCQs eBook Download
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Grade 8 Science Practice Tests
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Sound and Hearing MCQ Book Questions
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