(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 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.

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 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 ...