The largest and the shortest distance of the earth from are r1 and r2. It’s distance from the sun when it is perpendicular to the major-axis of the orbit drawn from the sun.
As we learnt in
Velocity of planet in terms of Eccentricity -
Velocity of planet at apogee
- wherein
Eccentricity (e) =
The position of a particle moving in an elliptical orbit is represented as
is perpendicular distance of particle from focus and e is eccentricity of ellipse
Option 1)
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Option 2)
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Option 3)
This is correct option
Option 4)
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