A diffraction grating has 6 700 lines/cm.What is the slit separation?
A)6.7E-3 m
B)1.5E-6 m
C)1.5E-9 m
D)6.7E-7 m
E)Not enough information

Question

Quizplus · Accepted Answer

The slit separation can be found using the equation: d=1/N where d is the slit separation and N is the number of lines per unit length. Substituting the given values, we get: d=1/(6700 lines/cm x 100 cm/m) = 1.5 x 10^-6 m. Therefore, the correct answer is B.

A Diffraction Grating Has 6 700 Lines/cm