If suddenly the distance between the sun & the earth is reduced to half then what will be the member of days in a year?

Keeping the diameter unaltered , if the mass of the earth is doubled , then what will be the length of a day ?

If the distance between the sun and the earth were half the present value, the span of a year would be of ……..days. [Fill in the blanks]

If the average distance between the sun and the earth decreases for some reason , then state whether the length of a year will increase or decrease. Give the reason for your answer .

If r denotes the distance between the sun and the earth, then the angular momentum of the earth around the sun is proportional to

What will be the length of a year if the distance between the earth and the sun is increased to twice the present value ?

A new unit of length is chosen such that the speed of light in vacuum is unity. What is the distance between the Sun and the Earth in terms of the new unit if light takes 8 min and 20s to cover this distance?

If the mass and the radius of the earth suddenly reduce to half their present values, (i) how many hours will be there in a day?

If the distance of the earth from the sun suddenly decreases to half its present value, then how many days will make a year ?

If the mass and the radius of the earth suddenly reduce to half their present values, (ii) how many days will constitute a year ?