alleryBy the law of periods, the square of the period is proportional to:
AAxis itself
BAxis cubed
CAxis squared
DAxis halved
Answer & Solution
Correct answer: B. Axis cubed
1. The third law links orbital period to orbit size.
2. The period is squared on one side.
3. The semi-major axis is cubed on the other.
_Source: syllabus Physics Part I, Chapter 8, Gravitation._
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