Class 10 Physics MCQs (Grade 10) From Textbook

Sound MCQ App Free Download | Class 10 Physics e-Book PDF

Class 10 Physics MCQs – Practice Test 2 (Chapter 9)

Sound MCQ with Answers PDF Download – Test 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 Class 10 Physics Course. Study Ultrasound Multiple Choice Questions and Answers (MCQs) PDF, Sound Quiz Questions and Answers for high school certificate courses. Download Sound MCQ App: Free Class 10 Physics App to learn 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, and amplitude for high school certificate courses. Practice Ultrasound MCQ Questions, download Apple Book (Free Chapter) for virtual high school.

Sound MCQ – Practice Test 2 PDF Download

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;

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