Sound Multiple Choice Questions and Answers 7 PDF Download

Learn sound multiple choice questions, grade 10 physics online test 7 for high school degree online courses, distance learning for exam prep. Practice characteristics of sound multiple choice questions (MCQs), sound quiz questions and answers for physics class for online basic physics courses distance learning.

Study high school physics multiple choice questions (MCQs): people use silent whistle to call dogs whose frequency lies between , for free online courses with choices 20,000 hz to 25,000 hz, 15,000 hz to 18,000 hz, 10,000 hz to 15,000 hz, and 30,000 hz to 35,000 hz, characteristics of sound quiz with online physics web portal for home school 10th grade physics students . Free physics study guide for online learning characteristics of sound quiz questions to attempt multiple choice questions based test.

MCQs on Sound Worksheets 7 Quiz PDF Download

MCQ: People use silent whistle to call dogs whose frequency lies between

  1. 15,000 Hz to 18,000 Hz
  2. 20,000 Hz to 25,000 Hz
  3. 10,000 Hz to 15,000 Hz
  4. 30,000 Hz to 35,000 Hz

B

MCQ: A human hear can not hear a sound of frequency less than

  1. 20 Hz
  2. 30 Hz
  3. 10 Hz
  4. 40 Hz

A

MCQ: When sound is incident on surface of a medium it bounces back into first medium. phenomenon is called

  1. refraction of sound
  2. deflection of sound
  3. defraction of sound
  4. reflection of sound

D

MCQ: In a market, intensity level of sound recorded is 80 dB, intensity level of sound should be

  1. 10-4Wm-2
  2. 10-6Wm-2
  3. 10-8Wm-2
  4. 10-5Wm-2

A

MCQ: 1 bel is equal to

  1. 100 dB
  2. 50dB
  3. 10dB
  4. 20dB

C