(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 ...

Physics MCQs for Class 12: CBSE Class 12 Physics Chapter-wise Multiple-Choice Questions (MCQs) with correct answers are very important for the 2025 CBSE Board exam candidates. The MCQs given by Jagran ...

Prepare for the CBSE Class 12 Physics board exam with key insights and tips. The March 4 exam demands a strategic approach, emphasizing crucial topics like Electrostatics, Electricity, Magnetic ...

CBSE Class 12 Physics Chapter-Wise Weightage & Important Topics 2025: The CBSE Class 12 Physics exam is crucial for students ...

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 ...