Question

2.
Image of a light planet is revolving a round a very massive star in a circular orbit of radius R with a
time period of revolution T. If the gravitational force of attraction between the star and planets propor-
tional to "R"then Tº is proportional to
a) R1+1
b) R1+2
d) R-2
C) R-1
mmetrically by a ur​

Answer 1

Answer:

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c. R-1