Jee Main
Atoms And Nuclei
JEE Main 2022 (Online) 27th June Morning Shift
INTEGER+4 / -12022
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 x \(\times\) 10\(-\)10 m. The value of x is ___________.
[Given hc = 1242 eV nm]