The lines of Paschen series for hydrogen atom lie in the spectral region known as ______?

The lines of Paschen series for hydrogen atom lie in the spectral region known as ______?

ہائیڈروجن ایٹم کے لئے پاسچن سیریز کی لائنیں ورنکرم خطے میں ______ کے نام سے مشہور ہیں؟
Explanation

The Paschen series involves electron transitions ending at the third energy level (n=3) in a hydrogen atom.

These transitions emit photons in the infrared region of the electromagnetic spectrum.