Breaf Notes of Chapter 16: Light 1. Introduction to Light Light is a form of energy that enables us to see the world around us. It travels in straight lines (rectilinear propagation of light). Light travels at a very …
 Light – Notes for CBSE Class 7 Science Introduction to Light Light is a form of energy that enables us to see objects around us. It travels from a source (like the sun, a bulb, or a candle) to our …