MCQ
Which of the following is true for photon
- ✓$\mathrm{E}= \frac{\mathrm{hc}}{\lambda}$
- B$\mathrm{E}= \frac{1}{2} \mathrm{mu}^2$
- C$\mathrm{p}=\frac{\text { E }}{2 v}$
- D$\mathrm{E}= \frac{1}{2} \mathrm{mc}^2$
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