Question

A hydrogen like gas atoms absorb radiations of wavelength ${\lambda }_0$ and consequently emit radiations of 6 different wavelengths of which, two wavelengths are shorter than ${\lambda }_0$. Choose the correct alternative(s).

• A. The final excited state of the atoms is n = 3.
• B. The final excited state of the atoms is n = 4.
• C. The initial state of the atoms is n = 2.
• D. The initial state of the atoms is n = 3.

Answer 1

Answer: (B), (C)

The correct options are
B

The final excited state of the atoms is n = 4.

C

The initial state of the atoms is n = 2.

Conceptual