Sound Multiple Choice Questions Test 7 pdf Download

Practice physics quiz 7 on sound MCQs, grade 10 reflection (echo) multiple choice questions. Free reflection (echo) guide has physics worksheet with answering options single time reflection, multiple reflections, refraction and diffraction of waves of multiple choice questions (MCQ) with reflection (echo) quiz as echoes maybe heard more than once due to for exam prep. Study to learn reflection (echo) quiz to attempt multiple choice questions based test.

MCQs on Sound - Quiz 7

MCQ. Echoes maybe heard more than once due to

  1. multiple reflections
  2. single time reflection
  3. refraction
  4. diffraction of waves

A

MCQ. Characteristic of sound by which we distinguish between shrill and grave sound is

  1. frequency
  2. loudness
  3. pitch
  4. quality

C

MCQ. Unit of intensity is

  1. ms-2
  2. watt
  3. Wm-2
  4. Hz

C

MCQ. Technique used to absorb noise by using soft and porous surfaces is called

  1. acoustic protection
  2. refraction
  3. absorption
  4. semi lunar protection

A

MCQ. Frequency range for ultrasound is

  1. 20,000 Hz above
  2. less than 20,000 Hz
  3. 25,000 Hz
  4. less than 20Hz

A