A beam of monochromatic light is used to excite... | Atomic Structure | JEE Main 2022

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JEE MAIN 2022

27-06-2022 - S1

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A beam of monochromatic light is used to excite the electron in Li++ from the first orbit to the third orbit. The wavelength of monochromatic light is found to be $\mathrm{x} \times 10^{-10} \mathrm{~m}$. The value of x is ______ . [Given hc = 1242 eV nm]

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