What is free mean path ?

What is free fall?

What is free vibration ?

What do we mean by parthenogenesis?

What do we mean by pathogen?

What is the mean proportional of 4 and 25?

What are free fall

What is meant by the phase at a point along the path of a wave ?

A body moves along a circular path with certain velocity.What will be the path of body in the following figure

What is the meaning of bryon………..