Question

Which of the following is incorrect statement (A) Protons are obtained when discharge tube is filled with Hydrogen gas (B) Helium usually gives line spectrum (C) The ratio of wave numbers of two electromagnetic radiations is 1.2, then the ratio of (D) Black body radiation will give discontinuos spectrum​

Answer 1

Answer:

a

Explanation:

ptutons are obtained when discharge tube is filled whith hydro gen gas plz mark me as brainlist