Class 10 Physics MCQs - Chapter 9

Sound Multiple Choice Questions (MCQ) PDF Download - 2

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The Sound Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound MCQ PDF e-Book) download Ch. 9-2 to learn Grade 10 Physics Course. Study Ultrasound Multiple Choice Questions and Answers (MCQs) PDF, Sound Quiz Questions and Answers for high school certificate courses. The Sound MCQ App Download: Free educational app for ultrasound, sound and sound waves, sound wave and speed, characteristics of sound test prep for online certifications.

The MCQ: Sounds of frequency higher than 20,000 Hz which are inaudible to normal human ear are called; "Sound" App (Android & iOS) with answers: Frequency; Noise; Ultrasonic; Amplitude; for high school certificate courses. Practice Ultrasound MCQ Questions, download Apple Book (Free Sample) for virtual high school.

Sound MCQs with Answers PDF Download: Quiz 2

MCQ 6:

Sounds of frequency higher than 20,000 Hz which are inaudible to normal human ear are called

noise
frequency
ultrasonic
amplitude

MCQ 7:

The loudness and amplitude of sound varies

directly
inversely
Not related
proportionally

MCQ 8:

The speed of sound varies with

humidity only
temperature only
pressure
humidity and temperature

MCQ 9:

The scale to measure the intensity level of sound is called

vector scale
measuring ruler
bel scale
decibel scale

MCQ 10:

To find the speed of sound, we use the relation

v = fλ
f = vλ
lambda = fv
v = f + lambda;

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