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 questions
7.
Exercises VII
Exercise condition:
3
m.
The frequency of a source of sound is \(100\ Hz\). How many times does it vibrate in a minute?
Number of oscillations
\(=\)
(
Note: Enter your answer with no decimal digits
)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!