The Top 50 MCQs of the CBSE Class 12 Physics Exam 2026 are carefully selected to help students strengthen conceptual clarity, improve accuracy, and score high in the upcoming board examination. The ...
(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 Central Board of Secondary Education (CBSE) is all set to conduct the Class 12 Physics exam on February 20, 2026. The written exam will be conducted from 10:30 am to 1:30 pm. On the last day of ...
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