List of top Physics Questions on Keplers Laws asked in KEAM

Two planets revolve around the sun in elliptical orbits with their major axes in the ratio 2 : 3. Their periods of revolution around the sun are in the ratio

If the ratio of the distances of a planet from the sun at perihelion and aphelion is 2: 3, then the ratio of their respective velocities at the perihelion and aphelion is

The maximum and minimum distances of a satellite revolving in an elliptical orbit are in the ratio $3:1$. If the speed of the satellite at the nearest distance is $v$, then the speed at the farthest distance is

The semi-major axis of the orbit of Saturn is approximately nine times that of Earth. The time period of revolution of Saturn is approximately equal to

The maximum and minimum distances of a planet from sun are $r_1$ and $r_2$ respectively. If minimum velocity is $V_1$ and minimum velocity is $V_2$, then the ration $V_1 : V_2$ is:

If T is the time period of satellite in an orbit of radius r, then the time period in an orbit of radius 3r is:

The orbital velocity $v_o$ of a satellite at height R from the surface in terms of escape velocity $v_e$ from the earth is:

Two satellites A and B are orbiting the earth at heights of 2.5R and 7.5R from the centre. The ratio of their time periods is:

The period of revolution of the planet A around the sun is 27 times that of another planet B. If the distance of A from the sun is \( X \) times greater than that of B from the sun, then the value of \( X \) is

The line that joins any planet to the sun sweeps out equal areas in equal intervals of time. This statement is

If a satellite of mass M is spinning about its own axis and revolves around the earth in a circular orbit, then it does not have

If the distance between sun and earth is \(d\), then the angular momentum of earth around the sun is proportional to

Suppose two planets A and B revolve around a Sun in the galaxy. The semi-major axis of A and B are 1 and 5 AU (astronomical unit) respectively. If the period of revolution of A is 1 year, the period of revolution of B is (A) 1 year

The semi-major axis of the orbit of Saturn is approximately nine times that of Earth. The time period of revolution of Saturn is approximately equal to

A comet orbits around Sun in an elliptical orbit. Which of the following quantities remains constant during the course of its motion?

Polar satellites

A satellite revolves around the earth of radius \(R\) in a circular orbit of radius \(3R\). The percentage increase in energy required to lift it to an orbit of radius \(5R\) is