The energy of the highest enegry photon of Blamer series of hydrogen spectrum is close to

Balmer series of hydrogen spectrum lies in which region?

If the wavelength of the first member of Blmer series of hydrogen spectrum is 6563Å A, then the wavelength of second member of Blamer series will be

The longest wavelength in Balmer series of hydrogen spectrum will be

Namethe series of hydrogen spectrum lying in visible region.