Sound and Hearing Multiple Choice Questions 4 PDF Download

Learn sound and hearing MCQs, grade 8 science test 4 for online courses learning and test prep, pitch and loudness multiple choice questions and answers. Pitch and loudness revision test includes science worksheets to learn for science problems with interactive answers.

Science multiple choice questions (MCQ) on he symbol of decibel is with options db, dc, dec and dl, pitch and loudness quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn pitch and loudness quiz to attempt multiple choice questions based test.

MCQs on Sound and Hearing Quiz PDF Download Worksheets 4

MCQ. He symbol of decibel is

  1. Dc
  2. dB
  3. Dec
  4. dl

B

MCQ. Humans can hear sound with in range

  1. 20Hz - 20000Hz
  2. 10Hz-10000Hz
  3. 200Hz-20000Hz
  4. 30Hz--30000Hz

A

MCQ. Brain interprets vibrations and electrical signals as

  1. sounds
  2. actions
  3. reactions
  4. movements

A

MCQ. Vibrations in stirrup are greater than ear drum due to arrangement in

  1. lever like manner
  2. ascending manner
  3. descending manner
  4. jointed manner

A

MCQ. A pitch of sound can be change by changing

  1. string
  2. instrument
  3. tension
  4. temperature

C