Concept 1: Circular Motions is mostly based on two or three objects moving around a circular track. In such cases the relative speed becomes effective speed of the bodies. Let us assume the three objects...
Q1. SHORT ANSWERS QUESTIONS : (05 MARKS) Wave used by astronauts for communication in space ? Why Sound waves are called mechanical waves? Aircrafts flying at...
Social divisions of one kind or the other exist in most parts of the world. A social difference means the * difference in a group of people due to their race, religion, language or culture. 1. Overlapping...