(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 ...

The CBSE Class 12 Physics Board Exam 2025 is scheduled for Friday, February 21, 2025. As the exam date approaches, thorough preparation is key to achieving good results. To help students practise ...

The Class 12 physics question paper will comprise 33 questions, and all questions are compulsory. This question paper has five sections: Section A, Section B, Section C, Section D and Section E.

The CBSE has announced the Class 12 Physics exam date for February 21, 2025. With less than three months left, students are preparing rigorously. Shailendra Pandey, Faculty at Physics Wallah, has ...