The wavelength of maximum energy released during an atomic explosion was $2.93 \times 10^{-10} \, m$. The maximum temperature attained must be (Wien's constant $b = 2.93 \times 10^{-3} \, mK$).
- A$5.86 \times 10^7 \, K$
- B$10^{-13} \, K$
- C$10^{-7} \, K$
- D$10^7 \, K$
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