Light in 25 Minutes🔥| Class 10th | Rapid Revision | Prashant Kirad
Exphub 9th &10th・32 minutes read
Prashant introduces a rapid revision of the chapter on light, covering theory, diagrams, and numerical problem-solving in 15 to 20 minutes, with a detailed video for further study. The concept of light, reflection, spherical mirrors, ray diagrams, uses of concave and convex mirrors, and sign convention rules for object distance and focal length are explained thoroughly.
Insights
Light travels straight at a speed of 3 * 10^8 meters per second, with reflection involving bouncing off shiny surfaces following two laws. Plane mirrors create virtual, erect images with equal size and distance from the mirror.
Spherical mirrors (concave and convex) are discussed in detail, focusing on poles, principal axis, center of curvature, focus, and focal length. Ray diagrams illustrate image formation based on object positions, with concave mirrors producing real and inverted images and convex mirrors creating virtual and erect images.