Class 8 Science MCQs - Chapter 12
Sound and Hearing Trivia Questions & Answers PDF Download - 4
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The Sound and hearing Trivia Questions and Answers PDF (sound and hearing Quiz Answers PDF e-Book) download Ch. 12-4 to study Grade 8 Science Course. Practice Pitch and Loudness MCQ PDF, Sound and Hearing Quiz Questions and Answers to study online certificate courses. The Sound and Hearing Trivia App Download: Free certification app for pitch and loudness, hearing sounds test prep for online school classes.
The Quiz: He symbol of decibel is; "Sound and Hearing" App APK Download with answers: DB; Dc; Dec; Dl; to study online certificate courses. Practice Pitch and Loudness MCQ Questions, download Kindle eBook (Free Sample) for online degrees.
Sound and Hearing Test Questions and Answers PDF Download: MCQ 4
He symbol of decibel is
- Dc
- dB
- Dec
- dl
Humans can hear the sound within range
- 20Hz - 20000Hz
- 10Hz-10000Hz
- 200Hz-20000Hz
- 30Hz--30000Hz
The brain interprets vibrations and electrical signals as
- sounds
- actions
- reactions
- movements
The vibrations in stirrup are greater than ear drum due to arrangement in
- lever like manner
- ascending manner
- descending manner
- jointed manner
A pitch of sound can be change by changing
- string
- instrument
- tension
- temperature
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8th Grade Science MCQs eBook Download
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