Login
Login
Sign up
Start
Mathmania
Teacher tutorials
TOP
Subjects
Bridge Course
Testworks
Subject updates
Ya+
News
Send feedback
See more
Contacts
About Us
Terms and Conditions
Privacy Policy
PDF chapter test
TRY NOW
Subjects
Science CBSE
Class 9
Sound
Textbook based HOTS II
6.
Multiple choice question VI
Exercise condition:
2
m.
A source of wave produces \(40\) crests and \(40\) troughs in \(0.2\ seconds\). What is the frequency of the wave?
\(200\ Hz\)
\(300\ Hz\)
\(400\ Hz\)
\(500\ Hz\)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!