(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) will conduct the Class 12 or Senior School Certificate exam from February 17 to April 10, 2026. The physics exam for Class 12 students is scheduled for ...
The CBSE Class 12 Physics Exam 2025 had a total duration of three hours, with an additional 15 minutes given for reading the question paper and completing other formalities. The paper consisted of 33 ...
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