Ray Optics often overwhelms Class 12 students due to formulas and sign conventions. An expert board examiner explains why ...

Introduction of On-Screen Marking The Central Board of Secondary Education (CBSE) has unveiled a significant change in its ...

To calculate percentage, sum obtained marks and divide by total maximum marks, then multiply by 100. Students should follow CBSE guidelines as practicals and subject rules may vary.

The exam was conducted today, February 13. Download the question paper PDF, check the detailed exam analysis, and review the answer key to evaluate your performance.