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Question: Answered & Verified by Expert

A planet is revolving around the sun in which of the following is correct statement?

PhysicsMechanical Properties of SolidsTS EAMCETTS EAMCET 2020 (09 Sep Shift 1)
Options:
  • A The time taken in travelling DAB is less than that for BCD
  • B The time taken in travelling DAB is greater than that for BCD
  • C The time taken in travelling CDA is less than that for ABC
  • D The time taken in travelling CDA is lgreater than that for ABC
Solution:
1296 Upvotes Verified Answer
The correct answer is: The time taken in travelling DAB is less than that for BCD
According to Kepler's Law of equal areas for equal times. As a planet moves in an orbit about the Sun, the areas swept out by the planet are equal for equal time intervals. So as the path DAB is close to the sun planet will move at a higher speed.

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