Class 7 Courses

Sound Waves MCQ App Download - Grade 7 Science e-Book

Class 7 Science MCQs - Chapter 23

Sound Waves Multiple Choice Questions (MCQ) PDF Download - 26

Apps:

7th Grade Science App (Play Store) 7th Grade Science App (App Store)

The Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-26 to learn Grade 7 Science Course. Study Sound Waves and Echoes Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers to study online certificate courses. The Sound Waves MCQ App Download: Free Grade 7 Science App to learn sound waves and echoes, waves of energy, frequency and pitch, speed of sound, vibrations and sound waves test prep for online degrees.

The MCQs: 'Dolphins' can capture their prey using "Sound Waves" App (Android, iOS) with answers: infrasound, echo, eye sight, and ears and sensors to study online certificate courses. Practice Sound Waves and Echoes MCQ Questions, download Apple e-Book (Free Sample) for distance learning.

Sound Waves MCQs with Answers PDF Download: Quiz 26

MCQ: 126

'Dolphins' can capture their prey using

  1. echo
  2. infrasound
  3. eye sight
  4. ears and sensors
MCQ: 127

When sound travels, the air molecules vibrate

  1. parallel to the sound direction
  2. perpendicular to the sound direction
  3. opposite to the sound direction
  4. in the direction of the sound
MCQ: 128

The highest level of frequency which human ear can detect is

  1. 2 Hz
  2. 20 Hz
  3. 20kHz
  4. 2kHz
MCQ: 129

Sound travels fastest in

  1. gases
  2. liquids
  3. solids
  4. space
MCQ: 130

A hand bell stimulates the

  1. movement of air particles
  2. collision of air particles
  3. vibration of air particles
  4. energy of air particles

Sound Waves Learning App: Free Download Android & iOS

The App: Sound Waves MCQ App to learn Sound Waves Notes, 7th Grade Science MCQs App, and 6th Grade Science MCQs App. The "Sound Waves MCQ" App to Free Download 7th Grade Science Apps (iOS & Android) to study online certificate courses. Download App Store & Play Store study Apps with all functionalities for distance learning.

Sound Waves Apps (Android & iOS)

Sound Waves App

7th Grade Science Apps (Android & iOS)

7th Grade Science App

6th Grade Science Apps (Android & iOS)

6th Grade Science App

Earth Science Apps (Android & iOS)

Earth Science App