Physics Viva Questions Class 12: The Central Board of Secondary Education (CBSE) practical exams are about to start, and it's time for Class 12 students to start revising the viva questions. The ...

Practical Exams' for CBSE Class 12 Physics are scheduled to be held in the month of January 2019 and February 2019. Here, you will learn about the latest CBSE Class 12 Physics Practical Exams Syllabus ...

When light moves from air into glass or plastic it is refracted close refractionProcess by which a wave changes speed and sometimes direction upon entering a denser or less dense medium, eg a light ...