Question

8. Observe the diagram and answer the following question

b Is area Al and A2 (Shaded portion) equal? Explain.
c If suddenly earth's mass is doubled and the radius increased by 4 times. Will there be
change in the orbit of the earth?​

Answer 1

Answer:

b. the area of shaded is not equal

Answer 2

Answer

b) Yes, the square of time period of revolution of a planet around the sun is

Directly proportional to the cube of the distance between sun and

The planets.

c) Yes, there will be a change.