The de-Broglie wavelength of an electron is the same as that of a photon. If velocity of electron is $$25 \%$$ of the velocity of light, then the ratio of K.E. of electron and K.E. of photon will be:
- A$$\frac{1}{4}$$
- B$$\frac{8}{1}$$
- C$$\frac{1}{8}$$
- D$$\frac{1}{1}$$
✓ Correct answer: C
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