Geometrical Optics. Light. is a form of radiant energy or external cause which creates sensation of light when enters into our eyes. This radiant energy travels from one place to another place in the form of transverse waves. Ligh tpropagates in a straight line in homogeneous medium. But when light is incident on a secondmedium from first medium some portion of light again causes back in the first medium from thesurface of the second in a straight line. This phenomenon is called reflection of light. Again whenlight tends to go from one transparent medium to another transparent medium its direction ischanged at the surface of separation of the two media. This is known as refraction of light.
teachingbd24.com is such a website where you would get all kinds of necessary information regarding educational notes, suggestions and questions’ patterns of school, college and madrasahs. Particularly you will get here special notes of physics that will be immensely useful to both students and teachers. The builder of the website is Mr. Md. Shah Jamal Who has been serving for 30 years as an asst. Professor of BAF Shaheen College. He expects that this website will meet up all the needs of Bengali version learners /students. He has requested concerned both students and teachers to spread this website home and abroad.
Google url shortener: https://goo.gl/qlRFGf
Discover more from Teaching BD
Subscribe to get the latest posts sent to your email.