What is light??. Light is a form of energy that is created from a different form of energy There are two types Incandescence - Light from heat or high temperature Luminescence –Light from electron giving off energy https://www.youtube.com/watch?v= YnMP1Uj2nz0
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Light is a form of energy that is created from a different form of energy
How often do the light bulbs need changing?
What are some factors that you think about when buying light bulbs?