An electron with speed $v$ and a photon with speed c have the same de-Broglie wavelength. If the kinetic energy and momentum of electron are E e and P e and that of photon are E p h and P p h respectively. Which of the following is correct?

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Aicharya · Accepted Answer

We have, &#955; p = h p p and &#955; e = h p e Given here, &#955; e = &#955; p , then p p = p e Ratio of their energy is E ph E e = h c &#955; P p e 2 2 m = 2 m c p e = 2 m c m v = 2 c v

An electron with speed $v$ and a photon with speed c have the same de-Broglie wavelength. If the kinetic…

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