Class 7 Courses

Chapter 23: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 23

Sound Waves Multiple Choice Questions (MCQs) PDF Download - 29

The Sound waves Multiple Choice Questions (MCQs) with Answers PDF (sound waves MCQs PDF e-Book) download Ch. 23-29 to study Grade 7 Science Course. Learn Sound Waves Quiz Questions and Answers to learn distance learning courses. The Sound Waves MCQs App Download: Free learning app for volume and amplitude, sound waves and echoes, ultrasound test prep for online courses.

The MCQ: The loudness of sound depends on; "Sound Waves" App Download (Free) with answers: Frequency; Wave front; Amplitude; Wavelength; to learn distance learning courses. Solve Volume and Amplitude MCQ Questions, download Google eBook (Free Sample) for online courses.

Sound Waves MCQs with Answers PDF Download: Quiz 29

MCQ 141:

The loudness of sound depends on

  1. wave front
  2. frequency
  3. amplitude
  4. wavelength
MCQ 142:

Bats also use 'ultrasound' to prevent

  1. predators
  2. homes
  3. preys
  4. obstacles
MCQ 143:

The louder the sound is, the more the amplitude it

  1. can
  2. will
  3. is
  4. has
MCQ 144:

The full name of ultrasound is

  1. ultra high sounds
  2. ultra pitch sounds
  3. ultrasonic sounds
  4. ultraviolet sounds
MCQ 145:

The melting of a metal with the help of ultrasounds is known as

  1. ultra welding
  2. ultrasonic welding
  3. ultrasound welding
  4. ultraviolet welding

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Sound Waves App (Android & iOS)

Sound Waves App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)