Question

Svslqeib enibolqxo amots (A enibolqxe eeluoelom (a

Answer 1

C) electron dropping to lower energy level

because if we give some color of wavelength to the electron it undergo exitation and then again comes from higher energy level to lower energy level during this process it emmits the energy in the form of different color which is given initial

suppose if we give green wavelength it emitts red color wavelength so green and red are complementary color pairs