CBSE Class 12th Physics Syllabus 2025-26: The 2025–2026 curriculum for the 12th class has been released by the CBSE Board. The CBSE Class 12th Physics 2025–2026 syllabus is available for students to ...

(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 ...