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JEE Main 24 June 2022 Shift 1 Solved Paper
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© examsnet.com
Question : 40
Total: 90
The approximate height from the surface of earth at which the weight of the body becomes
1
3
of its weight on the surface of earth is :
[Radius of earth
R
=
6400
km
and
√
3
=
1.732
]
[24-Jun-2022-Shift-1]
3840
km
4685
km
2133
km
4267
km
Validate
Solution:
M
′
=
M
3
g
g
′
=
g
3
g
′
=
g
(
R
R
+
h
)
2
=
g
3
R
R
+
h
=
1
√
3
h
=
(
√
3
−
1
)
R
=
(
1.732
−
1
)
6400
h
=
4685
km
© examsnet.com
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