Q157. The condition for constructive interference in case of diffraction grating is:Physics — NUST Mock 1 — Question 157 of 200A. sin θ= dm λB. 2d sin θ = mλC. d sin θ = mλD. d sin θ = 2mλPractice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →