List of top Physics Questions on Kepler’s laws

एक सौर मंडल में, त्रिज्या \(R\) की वृत्ताकार कक्षा का अनुसरण करने वाले एक ग्रह के परिक्रमण का आवर्तकाल किसके समानुपाती होता है :

In a solar system, the time period of revolution of a planet tracing a circular orbit of radius \(R\) is proportional to:

The radius of Martian orbit around the Sun is about 1.5 times the radius of the orbit of Mercury. The Martian year is 687 Earth days. Then which of the following is the length of 1 year on Mercury?