wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

A planet of mass m moves around the sun of mass M in an elliptical orbit. The maximum and minimum distance of the planet from the sun are r1 and r2 respectively. The time period of the planet is proportional to

A
r2/51
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
(r1+r2)3/2
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
(r1r2)3/2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
r3/2
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is A (r1+r2)3/2
Kepler's third law:
Square of the time period T is directly proportional to cube of semi-major axis i.e mean distance of the planet r1+r22
T2(r1+r22)3

T(r1+r2)3/2

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Kepler's Law
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon