Department of Pre-University Education, KarnatakaPUC Karnataka Science Class 11
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Which of the Following Quantities Remain Constant in a Planetary Motion (Consider Elliptical Orbits) as Seen from the Sun? - Physics

MCQ

Which of the following quantities remain constant in a planetary motion (consider elliptical orbits) as seen from the sun?

Options

  • Speed

  • Angular speed

  • Kinetic Energy

  • Angular momentum.

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Solution

Angular momentum.

In planetary motion, the net external torque on the planet is zero. Therefore, angular momentum will remain constant.

  Is there an error in this question or solution?
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APPEARS IN

HC Verma Class 11, 12 Concepts of Physics 1
Chapter 11 Gravitation
MCQ | Q 6 | Page 225
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