If the semi-major axis of a planet’s orbit around the Sun increases by

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

If the semi-major axis of a planet’s orbit around the Sun increases by 4%4\%, the approximate percentage increase in its orbital period will be closest to (a) 4%4\% (b) 6%6\% (c) 8%8\% (d) 12%12\%

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