(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 12 Physics Revision Notes: CBSE Class 12 Physics Notes are important study materials for students preparing for ...

CBSE Class 12 Physics Chapter-Wise Weightage & Important Topics 2025: The CBSE Class 12 Physics exam is crucial for students ...

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CBSE Class 12 Physics exam will be held on Friday, February 21, 2025. The CBSE 12th Physics paper will begin at 10.30 am on February 21, and conclude at 1.30 pm. This year, over 17.88 lakh students ...