State the properties of gravitational field.

If gravitational field due to uniform thin hemispherical shell at point P is I, then the magnitude of gravitational field at Q is (Mass of hemispherical shell is M, radius is R)

State the universal law of gravitation.

Explain the cause of geometrical isomerism and state the properties of geometrical isomers.

State any two properties of magnetic field lines.

Two bodies of masses m and M are placed at distance d apart. The gravitational potential (V) at the position where the gravitational field due to them is zero V is

An object is taken from a point P to another point Q in a gravitational field:

State any two properties of alpha radiation.

State four properties of magnetic field lines.

State Newton's law of gravitational.