(A) Convex lens (X)
(B) Interferometer (X)
(C) Diffraction grating ()
(D) Concave (X)
Answers: Crystals of a material can behave as Diffraction grating.
(A) Convex lens (X)
(B) Interferometer (X)
(C) Diffraction grating ()
(D) Concave (X)
Answers: Crystals of a material can behave as Diffraction grating.
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