Question

The time period of a satellite of earth is 5 hours. If
the separation between the earth and the satellite
is increased to 4 times the previous value, the
new time period will become
(a) 10 hours (b) 80 hours
(c) 40 hours (d) 20 hours

Answer 1

Answer:

option c

T2 ∝ R3 (T1/T2)2 = (R1/R2)3 (T1/T2) = (R1/R2)3/2 = (1/4)3/2 T2/T1 = (4)3/2 = 8 T2 = 8 × T1 = 8 × 5 = 40 hours

Answer 2

Answer:

The time period of a satellite of earth is 5 hours. If

the separation between the earth and the satellite

is increased to 4 times the previous value, the

new time period will become

(a) 10 hours

(b) 80 hours

(c) 40 hours ✔️✔️✔️

(d) 20 hours