(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.
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