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Dual Nature Of Radiation And Matter

Question
CBSEENPH12047866

Relation between wavelength of photon and electron of same energy is

  • λph > λe

  • λph < λe

  • λph = λe

  • λeλph = constant

Solution

A.

λph > λe

According to DeBroglie Wavelength

Wavelength λ =  hcp

                      = hc2 m E

∴                λ ∝ 1m

Mass of photon is less than that of electron.

 Wavelength of photon is greater than that of electron λph > λe