JEE Mains 12-Apr-2023 Shift 1 Solved Paper
© examsiri.com
Question : 45 of 90
Marks:
+1,
-0
A 12.5 eV electron beam is used to bombard gaseous hydrogen at room temperature. The number of spectral lines emitted will be :
[12-Apr-2023 shift 1]
Go to Question: