(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 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 ...
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 requires more than just memorizing formulas; it requires the ability to "show the science." Toppers differentiate themselves by providing flawless derivations, neat circuit ...
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