CBSE Class 12 Physics Chapter 6 Practice Questions 2025: The 2024-25 Competency-Focused Questions for CBSE Class 12 Physics Dual Nature of Radiation and Matter are given here. Check and download the ...

(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 ...

The CBSE Class 12 Physics board exam 2025 is set for February 21. To prepare effectively, students should rely on textbooks, sample papers, and previous years' question papers. Shailendra Pandey from ...