Q: Which one of the following statements for the emission spectrum of hydrogen is true?
(a)The Lyman series lies in the visible region and the Paschen series lies in the infrared region.
(b)The Lyman series lies in the ultraviolet region and the Paschen series lies in the visible region.
(c)Both the Lyman and the Paschen series lie in the visible region.
(d)The Lyman series lies in the ultraviolet region and the Paschen series lies in the infrared region.
Correct Answer: (d)
The correct answer is (b) 'The Lyman series lies in the ultraviolet region and the Paschen series lies in the visible region.'. This question from the Logical Reasoning & Mental Ability domain tests knowledge of Reasoning.