MPSC State Service 2020 · CSAT · Question 25 of 77

Consider a satellite in circular orbit around the Earth at a distance R from the Earth՚s center. The area that the satellite sweeps out as it moves through an angle ϕ is given by A = R2ϕ⟋2. Kepler՚s second law implies that the time that it takes for the satellite to move through 2ϕ is:

Reading Comprehension

Answer: A. double the time that is takes to move through ϕ.

With the constant-force approximation the transit time equals the free-fall time phi (the passage's notation): option (c).

Source: MPSC Rajyaseva Prelims 2020 – CSAT Paper II (Set C), official paper

Practice the full MPSC State Service 2020 paper

Timed test with all 77 questions, just like the real exam.

MPSC State Service 2020 · CSAT · Question 25 of 77

Reading Comprehension

With the constant-force approximation the transit time equals the free-fall time phi (the passage's notation): option (c).

Source: MPSC Rajyaseva Prelims 2020 – CSAT Paper II (Set C), official paper

Practice the full MPSC State Service 2020 paper

Timed test with all 77 questions, just like the real exam.