CBSE Tutorials

Category: 11th physics

  • 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…

  • Physics XI | Chapter 2 : Units and Measurements : Measurement of Large Distances

    2.3.1 Measurement of Large Distances Large distances such as the distance of a planet or a star from the earth cannot be measured directly with a metre scale. An important method in such cases is the parallax method. When you hold a pencil in front of you against some specific point on the background (a…