- Books Name
- Science Made Easy Science Book
- Publication
- Science Made Easy
- Course
- CBSE Class 9
- Subject
- Science
Kepler’s laws of planetary motion
Kepler observed that different planets take different time to complete one revolution around the sun. From s this observation of planetary motion he deduced that square of time period is proportional to the cube ob its distance from the sun.
Kepler’s First Law
Kepler’s first law of planetary motion states that planets move around the sun in such a way that sun always remains at one of its focus.
Kepler’s second law
According to second law the line joining planet to the sun sweeps out equal area in equal time interval, as the planet revolve around the sun in a elliptical orbit.
Kepler's Third Law
It states that square of time period is proportional to the cube of its semi major axis.
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Batch List
Science Made Easy
Course : CBSE Class 9
Start Date : 10.08.2022
End Date : 31.12.2022
Types of Batch : Classroom

Science Made Easy
Course : CBSE Class 9
Start Date : 11.08.2022
End Date : 31.12.2022
Types of Batch : Live Online Class