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Sound and Hearing Notes App Download | Class 8 Science e-Book PDF

Class 8 Science Exam Prep: Practice Test 4 (Chapter 12)

Sound and Hearing Notes Questions & Answers PDF Download - 4

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The Sound and hearing Notes Questions and Answers PDF (Sound and Hearing Quiz Answers PDF e-Book) download Ch. 12-4 to study Class 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 App Download: Free Class 8 Science Notes 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, and dl to study online certificate courses. Practice Pitch and Loudness MCQ Questions, download Kobo eBook (Free Sample) for online degrees.

Sound and Hearing Test Questions and Answers PDF Download: MCQ 4

MCQ: 16

He symbol of decibel is

  1. Dc
  2. dB
  3. Dec
  4. dl
MCQ: 17

Humans can hear the sound within range

  1. 20Hz - 20000Hz
  2. 10Hz-10000Hz
  3. 200Hz-20000Hz
  4. 30Hz--30000Hz
MCQ: 18

The brain interprets vibrations and electrical signals as

  1. sounds
  2. actions
  3. reactions
  4. movements
MCQ: 19

The vibrations in stirrup are greater than ear drum due to arrangement in

  1. lever like manner
  2. ascending manner
  3. descending manner
  4. jointed manner
MCQ: 20

A pitch of sound can be change by changing

  1. string
  2. instrument
  3. tension
  4. temperature

Download Sound and Hearing Study App (Android & iOS)

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Sound and Hearing Notes App (iOS & Android)

Sound and Hearing Notes App

Sound and Hearing Notes App (Android & iOS)

8th Grade Science Notes App

6th Grade Science Notes App (Android & iOS)

6th Grade Science Notes App

7th Grade Science Notes App (iOS & Android)

7th Grade Science Notes App