Sound Waves Multiple Choice Questions 5 PDF Download

Practice sound waves MCQs, grade 7 online science test 5, all around sounds multiple choice questions and answers. All around sounds revision test has science worksheets, helping answer key with choices as change of pressure in air, change of temperature of air, effect of humidity on air and level of heat in air of multiple choice questions (MCQ) with all around sounds quiz as vibrations are caused due to for competitive exam prep, viva interview questions. Free science study guide to practice all around sounds quiz to attempt multiple choice questions based test.

MCQs on Sound Waves Quiz PDF Download Worksheets 5

MCQ. Vibrations are caused due to

  1. change of temperature of air
  2. change of pressure in air
  3. effect of humidity on air
  4. level of heat in air


MCQ. The only thing of a note that can vary, is

  1. amplitude
  2. length
  3. wave
  4. type


MCQ. Loud noise can

  1. damage our ears
  2. make us ill
  3. disturb our sleep
  4. interrupt conversation


MCQ. We cannot hear alarm of a clock if there is

  1. vacuum in the jar
  2. air in the jar
  3. liquid in the jar
  4. solid in the jar


MCQ. The third effecter of sound created by vibrating strings is

  1. angle of strings
  2. thickness of strings
  3. material of strings
  4. height of strings