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NEET 2025

NEET 2025 Physics question on Dual Nature of Radiation

A photon and an electron (mass m) have the same energy E. The ratio (λphoton/λelectron)(\lambda_{\text{photon}}/\lambda_{\text{electron}}) of their de Broglie wavelengths is: (c is the speed of light)
  1. A.
    1cE2m\dfrac{1}{c}\sqrt{\dfrac{E}{2m}}
  2. B.
    E2m\sqrt{\dfrac{E}{2m}}
  3. C.
    c2mEc\sqrt{2mE}
  4. D.
    c2mEc\sqrt{\dfrac{2m}{E}}
Show answer

Correct option: D

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