Fundamentholfundamenthol
NEET2018Paper 2018Physics
Q.

The kinetic energies of 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

  1. A

    KA < KB < KC 

  2. B

    KB < KA < KC 

  3. C

    KA > KB > KC 

  4. D

    KB > KA > KC

Solution

Point A is perihelion and C is aphelion.

So, VA > VB > VC

So, KA > KB > KC.

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