Physics Discuss

A sound pulse sent vertically downwards into the earth is reflected from...

Share to WhatsApp
Question 78
A
200 m
B
400 m
C
2400 m
D
2600 m
E
2800 m
Explanation
X = vt/2 = {(2000x14)2 - (2000x12)2} = 200 m.

Correct option: A

Try this quiz in in E-test/CBT Mode
switch to Physics in CBT Mode

Previous Question Next Question

Be the first to Comment on this

Sign in to post a comment


Question Map
Quiz link
Share Physics with your audience
Share to WhatsApp CBT mode Study mode copy link
​​​Help keep QUIZZERWEB running! 
A donation makes a contribution towards the costs, the time and effort that's going on in building and improving this platform.
 
Donate