In the following four periods
(i) Time of revolution of a satellite just above the earth’s surface 
(ii) Period of oscillation of mass inside the tunnel bored along the diameter of the earth 
(iii) Period of simple pendulum having a length equal to the earth’s radius in a uniform field of 9.8 N/kg 
(iv) Period of an infinite length simple pendulum in the earth’s real gravitational field 
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
(i) 
[As h <<R and 
(ii) 
(iii) 
[As l = R]
(iv) 
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