what is the wavelength emitted during the transition of electron in be

1.	what is the wavelength emitted during the transition of electron in between two levels of the He+ ion whose sum is 5 and difference is 37
Answer» the DISTANCE between SUCCESSIVE crests of a wave, especially POINTS in a SOUND wave or ELECTROMAGNETIC wave.

what is the wavelength emitted during the transition of electron in between two levels of the He+ ion whose sum is 5 and difference is 37

Answer»

the DISTANCE between SUCCESSIVE crests of a wave, especially POINTS in a SOUND wave or ELECTROMAGNETIC wave.