Class 10 Courses

Chapter 9: Class 10 Physics Exam Tests

Class 10 Physics MCQs - Chapter 9

# Sound Multiple Choice Questions (MCQ) PDF - 2

Books:

Apps:

The Sound Multiple Choice Questions (MCQ Quiz) with Answers PDF, Sound MCQ PDF Download e-Book 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 MCQs: 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 Questions & Answers : MCQ Quiz 2

MCQ 6:

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

1. noise
2. frequency
3. ultrasonic
4. amplitude
MCQ 7:

The loudness and amplitude of sound varies

1. directly
2. inversely
3. Not related
4. proportionally
MCQ 8:

The speed of sound varies with

1. humidity only
2. temperature only
3. pressure
4. humidity and temperature
MCQ 9:

The scale to measure the intensity level of sound is called

1. vector scale
2. measuring ruler
3. bel scale
4. decibel scale
MCQ 10:

To find the speed of sound, we use the relation

1. v = fλ
2. f = vλ
3. lambda = fv
4. v = f + lambda;