A satellite revolving around Earth loses height. How will its time period be changed?

A satellite revolving around the earth is

For a satellite revolving around the earth

A satellite revolving around the earth loses height. What happens to its time period?

Any satellite revolving round the earth in an orbit of height 36000 km with time period of 24 hours

A satellite is revolving around earth in its equatorial plane with a period T . If the radius of earth suddenly shrinks to half without change in the mass. Then, the new period of revolution will be

A satellite is revolving around earth in its equatorial plane with a period T . If the radius of earth suddenly shrinks to half without change in the mass. Then, the new period of revolution will be

Satellite is revolving around earth. If its height is increased to four times the height of geostationary satellite, what will become its time period ?