(b) the minimum wavelength of X-rays produced by 30 kV electrons. 2. The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted? 3 ...

CBSE Class 12 Physics exam will be held on Friday, February 21, 2025. The CBSE 12th Physics paper will begin at 10.30 am on February 21, and conclude at 1.30 pm. This year, over 17.88 lakh students ...

CBSE 2024-25 Competency-Based Questions With Answers: The Central Baord of Secondary Education has officially released the practice question paper for the academic year 2024-25, for the classes 10th ...

CBSE Class 12 Physics Revision Notes: CBSE Class 12 Physics Notes are essential study materials for students preparing to appear in the CBSE Class 12 Physics board examination 2025. Also for ...

CBSE Class 12 Physics Paper Analysis 2025 Highlights: The Class 12 Physics paper was held from 10:30 am to 1:30 pm. Check paper analysis below. CBSE Class 12 Physics Paper Analysis 2025 Highlights: ...