A block of mass m and surface area A just begins to slide down an inclined plane when the angle of inclination is pi//5. Keeping the mass of the block same, if the surface area is doubled, the inclination of the plane at which the block starts sliding will be

A block of mass m and surface area A just begins to slide down an incl

1.	A block of mass m and surface area A just begins to slide down an inclined plane when the angle of inclination is pi//5. Keeping the mass of the block same, if the surface area is doubled, the inclination of the plane at which the block starts sliding will be
Answer» `pi//5` `pi//10` `2pi//5` `pi//5sqrt2` ANSWER :A