NCERT Class 12 Physics Chapter 1| Question 1.20 Solution (Tamil) | Electrostatics

Step-by-step solution for Class 12 Physics Chapter 1 (Electrostatics) Book Back Question 1.19. In this video, we use Gauss's Law to solve for: (a) How electric flux changes when the Gaussian surface radius is doubled. (b) How to calculate the value of the enclosed point charge. Explained clearly in a mix of Tamil and English for easy understanding! Topics covered: Electric Flux Formula Gauss's Law Application Permittivity of Free Space (\varepsilon_0) Solving for Point Charge (q) Don't forget to like, subscribe, and drop any questions in the comments below! ##### 5. Video Chapters Add these timestamps to your video description so YouTube automatically creates a chapter menu. This is highly valued by students who just want to review a specific part of the math. *0:00 - Introduction & Reading Question 1.19 *0:35 - Given Values & Understanding Electric Flux *0:57 - Part (a): Does doubling the radius change the flux? *1:40 - Explaining Gauss's Law *2:16 - Part (b): Calculating the Point Charge Value *2:39 - Final Answers & Summary