Echo of Sound MCQs Quiz Worksheet PDF Download

Echo of sound multiple choice questions (MCQs), echo of sound tesr prep for high school distance learning, online courses. Practice sound multiple choice questions (MCQs), echo of sound quiz questions and answers for online general physics courses distance learning.

Study high school courses, online physics degree programs MCQs: when sound is incident on surface of a medium it bounces back into first medium. phenomenon is called, for online education degree with options refraction of sound, deflection of sound, defraction of sound, and reflection of sound with online job interview questions and answers for formative assessment in competitive exams. Free physics student portal for online learning echo of sound quiz questions, MCQs to find questions answers based online learning tests.

MCQ on Echo of Sound Quiz PDF Download

MCQ: To communicate with each other, Elephants use

  1. low frequency sound waves
  2. low frequency light waves
  3. high frequency sound waves
  4. low frequency heat waves

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: Total distance covered by sound from point of generation to reflecting surface and back should be at least

  1. 30 m
  2. 34 m
  3. 40 m
  4. 38 m

B

MCQ: For hearing distinct echoes, minimum distance of obstacle from source of sound must be

  1. double to this distance
  2. equal to this distance
  3. half of this distance
  4. one third to this distance

C

MCQ: Echoes may be heard more than once due to successive or multiple reflections

  1. deflections
  2. defractions
  3. refractions
  4. reflections

D