Gravitation Ques 6
- According to Kepler’s second law, the radius vector to a planet from the sun sweeps out equal areas in equal intervals of time. This law is a consequence of the conservation of ………. .
(1985, 2M)
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Answer:
Correct Answer: 6.( angular momentum )
Solution:
- $\frac{d A}{d t}=\frac{L}{2 m}=$ constant, because angular momentum of planet $(L)$ about the centre of sun is constant. Thus, this law comes from law of conservation of angular momentum.