(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 CBSE Class 12 Physics examination concluded on February 20, 2026, with over 18 lakh students appearing across 7,574 ...
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