wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If the value of ‘g’ at a height h above the surface of the earth is the same as at a depth x below it, then (both x and h being much smaller than the radius of the earth)

A
x=h
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
x=2h
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
x=h2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
x=h2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is B x=2h
The value of g at the height h from the surface of earth
g=g(12hR)
The value of g at depth x below the surface of earth
g=g(1xR)
These two are given equal, hence g=g(12hR)=g=g(1xR)
On solving, we get x=2h

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Variation in g
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon