Q.
The kinetic energies for a planet in an elliptical orbit about the sun, at positions A, B and C are KA,KB and KC , respectively. AC is the major axis and SB is perpendicular to AC at the position of the sun S as shown in the figure. Then
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
KA < KB < KC
b
KA > KB > KC
c
KB > KA > KC
d
KB < KA < KC
answer is B.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
If r be the radial distance of a planet from the centre of sun , then conserving energy -1/2 mV2 + (-GMsm / r) = T.E.⇒ K = T.E + GMs m / rNow rA < rB < rC.: KA > KB > KC
Watch 3-min video & get full concept clarity