(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 12th Physics Question Paper 2025: The Central Board of Secondary Education (CBSE) will conduct the Class 12 Physics paper on Friday, February 21. Just a day left for the CBSE 12th Physics ...