As per the given question,
Number of lines(Resolving power ) =2000
Mean of the wavelength λ=600nm
let the difference between the wavelengths (λ1−λ2)=△λ )
We know that resolving power( R)=△λλ
Now, substituting the value,
2000=△λ600nm
△λ=2000600nm=0.3nm
Comments
Leave a comment