Q33. Interference fringes from sodium light (1 = 5890 Å) in a double slit experiment have an angular width of 0.20o. To increase the fringe width by 10%, the wavelength of light used should be:Physics — Optics, Nature of Light and Optical Instruments — Question 33 of 155A. 5892 Å B. 4000 Å C. 8000 Å D. 6479 Å Practice more Physics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →