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MHTCET 2016 Physics Solved Paper
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© examsnet.com
Question : 35
Total: 50
The value of gravitational acceleration g at a height h above the earth’s surface is
g
4
, then (R = radius of earth)
h = R
h =
R
2
h =
R
3
h =
R
4
Validate
Solution:
(a) The value of acceleration due to gravity g at a height h is given by
g
′
=
g
(
R
e
R
e
+
h
)
2
Here, Re = radius of earth
g = acceleration due to gravity at earth surface.
g
′
=
g
4
and
R
c
=
R
So,
g
4
=
g
(
R
R
+
h
)
2
1
2
=
R
R
+
h
⇒ 2 R = R + h ⇒ R = h
© examsnet.com
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