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
31.
Multiple choice question XXXI
Exercise condition:
2
m.
A sonar echo takes \(8.8\ s\) to return from a shack. How far away is the shack? Given
speed of sound in sea-water
\(=\ 1533\ m/s\)
\(348\ m\)
\(5720\ m\)
\(6745\ m\)
\(13490\ m\)
Login
or
Fast registration
Previous exercise
Exit to the topic
Next exercise
Send feedback
Did you find an error?
Send it to us!