Question:
A spectroscopic instrument can resolve two nearby wavelength $\lambda$ and $\lambda+\Delta \lambda$ if $\lambda / \Delta \lambda$ is smaller than 8000 . This is used to study the spectral lines of the Balmer series of hydrogen. Approximately how many lines will be resolved by the instrument?
Solution:
Click here to get exam-ready with eSaral
For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.