695PhysicsMedium
A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?
A2 x 10-5 mm
B500 mm
C2 x 10-3 mm
D5 x 10-3 mm
Correct answer
C. 2 x 10-3 mm
Explanation
2 x 10-3 mm is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.