1) Which of the following set of radiations can not be seen in hydrogen atomic spectrum ? (i) γ− radiation (ii) Uv (iii) X-rays (iv) Infrared A) (i),(iii),(iv) B) (iii),(iv) C) (i),(iii) D) (i),(iv) Answer: Option CExplanation: In hydrogen atomic spectra the five series have frequency range as: Lyman seris → UV region Balmer series → Visible region Paschen series → IR region Brackett series → For I R region Pfund series → IR region
