Class 7 Science MCQs - Chapter 23
Sound Waves Multiple Choice Questions (MCQ) PDF Download - 26
Apps:
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 educational app for 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; 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
'Dolphins' can capture their prey using
- echo
- infrasound
- eye sight
- ears and sensors
When sound travels, the air molecules vibrate
- parallel to the sound direction
- perpendicular to the sound direction
- opposite to the sound direction
- in the direction of the sound
The highest level of frequency which human ear can detect is
- 2 Hz
- 20 Hz
- 20kHz
- 2kHz
Sound travels fastest in
- gases
- liquids
- solids
- space
A hand bell stimulates the
- movement of air particles
- collision of air particles
- vibration of air particles
- energy of air particles
Class 7 Science Mock Tests
Sound Waves Textbook App: Free Download iOS & Android
The App: Sound Waves MCQ App to study Sound Waves Textbook, 7th Grade Science MCQs App, and 8th Grade Science MCQs App. The "Sound Waves MCQ" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!
7th Grade Science MCQs eBook Download
Grade 8 Science Mock Tests
Grade 7 Science Practice Tests
Grade 8 Science MCQ with Answers
- Compounds which are needed in very small amount but their deficiency lead to scurvy and rickets are
- Magnets nowadays are made of
- A debris from rotting matter is called
- Sharks are hunted to create delicacy in Chinese cuisine by its
- Transfusion of infected blood is main reason for spread of diseases like