1 6 4 x 1024 2 7 2 x 1024 3 2 1 x 101 4 3 3 101 A photon in

Last updated: 7/3/2023

1 6 4 x 1024 2 7 2 x 1024 3 2 1 x 101 4 3 3 101 A photon in X region is more energetic than in the visible region X is 2 UV 3 Microwave 4 Radio wave 1 IR Electromagnetic radiations of wavelength 242 nm is just sufficient to ionise Sodium atom Then the ionisatio energy of Sodium in KJ mole is 1 494 65 2 400 3 247 4 600