Class 10 Physics Exam MCQs – Practice Test 4 (Chapter 9)

Sound Notes Questions with Answers PDF – Test 4

Download eBook:

Apps:

Study Sound Notes Questions and Answers PDF for physics student success programs. Download the Sound Quiz Answers PDF e-Book, Ch. 9-4 to study Class 10 Physics Course. Practice Echo of Sound MCQ PDF, Sound Quiz Questions and Answers for physics student success programs. Download the Sound Notes App: Free Class 10 Physics Notes App to echo of sound, importance of acoustics, audible range of human ear, speed of sound test prep for digital academic physics success.

The "Sound Notes" App Download: Technique or method to absorb undesirable sounds by soft and porous surface is called; MCQ with answers: unacoustic protection, acoustic protection, audible protection, and decibel protection. Practice Echo of Sound MCQ Questions, download Kobo e-Book (Free Chapter) to strengthen virtual educational engagement.

Sound Notes Q&A PDF Download – Practice Test 4

MCQ 16: To communicate with each other, Elephants use:

low frequency sound waves
low frequency light waves
high frequency sound waves
low frequency heat waves

MCQ 17: The technique or method to absorb undesirable sounds by soft and porous surface is called:

acoustic protection
unacoustic protection
audible protection
decibel protection

MCQ 18: A normal human ear can hear a sound only if its frequency lies between:

30 Hz to 30,000 Hz
50 Hz to 50,000 Hz
20 Hz to 20,000 Hz
10 Hz to 10,000 Hz

MCQ 19: The speed of sound in air is:

343ms^-1
343ms^-2
341ms^-1
250ms^-1

MCQ 20: The speed of sound can be found by relation:

v = cλ
v = ma
v = fλ
f=¹ ⁄ _T

Sound Exam Prep – Class 10 Physics Notes App & e-Book

Geometrical Optics MCQs

Sound MCQs

Atomic and Nuclear Physics MCQs

Electromagnetism MCQs

Electrostatics MCQs

Basic Electronics MCQs

Current Electricity MCQs

Information and Communication Technology MCQs

Free Sound Educational App – Download for Android & iOS

The App: Sound Notes App to learn Sound Notes, 10th Grade Physics Notes App, and 9th Grade Physics Notes App for physics student success programs.

Download the "Sound Notes" App: Free 10th Grade Physics Notes App (Android & iOS) for digital academic physics success. Download App Store & Play Store Learning Apps with all functionalities to strengthen virtual educational engagement.