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Physics · PYQ NEET UG 2023

हिन्दी

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

  1. \( \frac{1}{V} \)
  2. \( \sqrt{V} \)
  3. \( \frac{1}{\sqrt{V}} \)
  4. \( V^2 \)

Correct answer · Option 1

\( \frac{1}{V} \)

Explanation

Minimum wavelength \( \lambda_{\min} = \frac{hc}{eV} \), which implies \( \lambda_{\min} \propto \frac{1}{V} \).
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