An earth satellite $X$ is revolving around earth in an orbit whose radius is one-fourth of the radius of orbit of a communication satellite. Time period of revolution of $X$ is ..........
$3 \,hrs$
$6 \,hrs$
$4 \,days$
$72 \,days$
Which of the following quantities does not depend upon the orbital radius of the satellite
The time period of a satellite of earth is $24$ hours. If the separation between the earth and the satellite is decreased to one fourth of the previous value, then its new time period will become $.......\,hours$
An earth satellite $S$ has an orbit radius which is $4$ times that of a communication satellite $C$. The period of revolution of $S$ is ........ $days$
According to Kepler, planets move in
The distance of a planet from the sun is $5$ times the distance between the earth and the sun. The time period of the planet is