If the diameter of the earth becomes twice its present value but its mass remains unchanged, then how would be the weight of an object on the surface of the earth affected ?

If the diameter of Earth becomes two times its present value and its mass remains unchanged, the how would the weight of an object on the surface of the Earth be affected?

If the present radius of the earth is doubled keeping the mass unchanged, how will the weight of a body on the surface of the earth change ?

If the radius of the earth becomes half of the present radius , mass being constant, the weight of a body will be

If the radius of the earth becomes half of the present radius, mass being constant, the weight of a body will be

Select the correct option stating the reason for your choice. If the mass of the earth remains the same, but its diameter is decreased by 1% the value of the acceleration due to gravity on the surface of the earth (i) remains the same (ii) decreases (iii) increases.

If the earth were to suddenly contract to 1/n th of its present radius, without any change in its mass, then what will be the effect on the duration of the 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 diameter of the objective of a telescope is doubled, how will its resolving power change?

The radius of the earth is reduced by 4% The mass of the earth remains unchanged What will be the change in escape velocity?