A. Convex lens
B. Interferometer
C. Diffraction grating
D. Concave
Correct Answer: Diffraction grating ✔
Last Updated: February 11, 2021
A. Convex lens
B. Interferometer
C. Diffraction grating
D. Concave
Correct Answer: Diffraction grating ✔
Last Updated: February 11, 2021