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JEE Main Physics Class 11 Gravitation Part 2 Questions
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© examsnet.com
Question : 27
Total: 89
Given below are two statements:
Statement I : If
E
be the total energy of a satellite moving around the earth, then its potential energy will be
E
2
Statement II : The kinetic energy of a satellite revolving in an orbit is equal to the half the magnitude of total energy E.
In the light of the above statements, choose the most appropriate answer from the options given below
[8-Apr-2023 shift 1]
Both Statement I and Statement II are incorrect
Statement I is incorrect but Statement II is correct
Statement I is correct but Statement II is incorrect
Both Statement I and Statement II are correct
Validate
Solution:
👈: Video Solution
For satellite K.E.
=
1
2
m
v
2
=
1
2
m
(
√
GM
r
)
2
K
.
E
.
=
GMm
2
r
Potential energy
U
=
−
GMm
r
Total energy
=
K
.
E
+
U
E
=
−
G
M
m
2
r
U
=
2
E
St I
−
incorrect
K.E.
=
|
E
|
St
II - incorrect
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