Fundamentholfundamenthol
NEET2023Physics
Q.

The minimum wavelength of X-rays produced by an electron accelerated through a potential difference of volts is proportional to:

  1. A

  2. B

  3. C

  4. D

Solution

At the cutoff (Duane–Hunt limit), the entire kinetic energy of the electron is converted into a single photon, so .

Therefore .

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