Question:

An electron of mass m and a photon have same energy E. If their de Broglie wavelengths \(λ\) are \(λ_e\) and \(λ_p\), respectively, then \(\frac{λ_e}{λ_p}\) is proportional to,

  • E
  • \(\sqrt{E}\)
  • \(E^{{-1}/{2}}\)
  • independent of E
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The Correct Option is B

Solution and Explanation

The correct option is (B): \(\sqrt{E}\)
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