Question

5In a He-Ne laser system, the two energy levels of Ne involved on lasing action have energy values of 20.66 eV and 18.70 eV. The population inversion occurs between these two levels. (i)What will be the wavelength of the laser beam produced?(ii)What will be the population of the metastable energy level with respect to the upper excited level at room temperature (27oC)55

Answer 1

Answer:

He go away because of his father's transferWelcome to Gboard clipboard, any text that you copy will be saved here.Tap on a clip to paste it in the text box.Use the edit icon to pin, add or delete clips.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.

Explanation:

He go away because of his father's transferWelcome to Gboard clipboard, any text that you copy will be saved here.Tap on a clip to paste it in the text box.Use the edit icon to pin, add or delete clips