Sound Multiple Choice Questions and Answers 2 pdf eBooks Download

Learn sound MCQs, grade 10 online physics test 2, ultrasound multiple choice questions and answers. Ultrasound revision test has physics worksheets, helping answer key with choices as frequency, noise, ultrasonics and amplitude of multiple choice questions (MCQ) with ultrasound quiz as sounds of frequency higher than 20,000 hz which are inaudible to normal human ear are called for competitive exam prep, viva interview questions. Free physics study guide to practice ultrasound quiz to attempt multiple choice questions based test.

MCQs on Sound Quiz pdf Download Worksheets 2

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

  1. noise
  2. frequency
  3. ultrasonics
  4. amplitude

C

MCQ. Loudness and amplitude of sound varies

  1. directly
  2. inversely
  3. Not related
  4. proportionally

A

MCQ. Speed of sound varies with

  1. humidity
  2. temperature
  3. both humidity and temperature
  4. none of the above

C

MCQ. Scale to measure intensity level of sound is called

  1. vector scale
  2. measuring ruler
  3. bel scale
  4. decibel scale

D

MCQ. To find speed of sound, we use relation

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

A