When electronic transition occurs from higher energy state to a lower energy state with energy d...

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When electronic transition occurs from higher energy state to a lower energy state with energy difference equal to \( \Delta E \) expressed in electron volts, the wavelength of line emitted is approximately equal to:
(A) \( \frac{12375}{\Delta E} \AA \)
(B) \( \frac{12375}{\Delta E} \times 10^{-8} \mathrm{~cm} \)
(C) \( \frac{12375}{\Delta E} \times 10^{-10} \mathrm{~m} \)
(D) either of these
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