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  • Electromagnetic radiation of wavelength 663 nm is just sufficient to ionise the atom of metal A. The ionization energy of metal A in kJ mol–1 is _______. (Rounded-off to the nearest integer) <img alt="\left [ h=6.63 \times 10^{-34}Js,

Electromagnetic radiation of wavelength 663 nm is just sufficient to ionise the atom of metal A. The ionization energy of metal A in kJ mol–1 is _______. (Rounded-off to the nearest integer) \left [ h=6.63 \times 10^{-34}Js, C = 3.00 \times 10^{8}ms^{-1},N_{A}=6.02 \times 10^{23}mol^{-1} \right ]
Option: 1 181
Option: 2 -
Option: 3 -
Option: 4 -

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