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PhysicsJEE Main 4 Apr 2026, Shift 2·Q19·MCQ·Easy–moderate

Dual Nature of Radiation and Matter · Matter waves

The de Broglie wavelength associated with an electron accelerated through a potential difference VV is λe\lambda_e and the de Broglie wavelength associated with a proton accelerated through the same potential difference is λp\lambda_p. If their corresponding masses are mem_e and mpm_p, respectively, then the ratio of their de Broglie wavelengths (λeλp)\left(\dfrac{\lambda_e}{\lambda_p}\right) is .
  1. (1)mpme\sqrt{\dfrac{m_p}{m_e}}
  2. (2)memp\sqrt{\dfrac{m_e}{m_p}}
  3. (3)mpme\dfrac{m_p}{m_e}
  4. (4)(mpme)2\left(\dfrac{m_p}{m_e}\right)^2

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