Physics Viva Questions Class 12 (2026): CBSE Class 12 practical examinations for the 2026 board exams are being scheduled in many schools during the second half of January 2026, and students are now ...

Arthur Ashkin, Gérard Mourou and Donna Strickland share the 2018 physics Nobel for their work with lasers that have led to numerous practical applications, such as eye surgery. “The main practical ...