Bacic Concept of Time & Work

Concepts

Questions based on kinematics and concept of time lag

Questions on P.E. || Mechanical Energy Conservation||Concept OF Maximum Work Done

Concept of gram atom, Concept of gram mole and Concept of gram equivalent

Electric Potential|Potential Difference|S. I. Unit Of Potential Difference|Concept Of Work Done|Voltmeter|Practice Exercise|Summary

Concept of centre of origin was forst time given by