perfect elasticity meaning in Hindi

Perfect elasticity is an approximation of the real world.
However, the fluid cannot fully return to its original position due to energy losses stemming from less than perfect elasticity.
In practice, demand is likely to be only " relatively " elastic or relatively inelastic, that is, somewhere between the extreme cases of perfect elasticity or inelasticity.
With no air resistance and perfect elasticity, the simplest approach would say that a ball thrown ahead without rotation on level ground will perform an endless sequence of identical parabolic arcs, but I feel that the degree of friction between ball and ground would have an effect on trajectories after the first arc.