Login
Home
TOP
Send feedback
Login
Subjects
Science Test Space
Class 10
Acoustics
Sound waves and reflection of sound
12.
Basics of acoustics
Question:
2
m.
Choose the best option
1
.
The vibrating bodies produce sound in the form of
particles
Waves
curved lines
2
.
The waves with a frequency range below \(20\) \(Hz\) is called__________.
audible waves
infrasonic waves
ultrasonic waves
Login
or
Fast registration
Previous task
Exit to the topic
Next task
Send feedback
Did you find an error?
Send it to us!