Tag: CBSE Physics

  • Physics XI | Frame of Reference

    Frame of Reference: Suppose someone asked you a question “How far is India?” your reaction would be “from where?” Then the person who asked you the question would tell, from here or from United States. So in kinematics some reference is very necessary to measure distances. Suppose, you are sitting inside a stationary train. At…

  • Physics XI | Rest and Motion

    Rest and Motion What is motion? An object is said to be in motion if it changes its position continuously with respect to another object. The motion is a relative term. If we are sitting in a vehicle, a person on the ground would be in motion according to our view while according to the…