PG entrance exam IIT JAM 2025 Mock Test Physics Dual Nature: Photon and Matter Waves The Photoelectric Effect
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 × 10–10m. The value of x is _________.
[Given hc = 1242 eV nm]Enter numerical value using the virtual keypad. Round off where necessary.