Paragraph for In a modified Young s double slit experiment

Last updated: 6/12/2023

Paragraph for In a modified Young s double slit experiment there are three identical parallel slits S S and S A coherent monochromatic beam of wavelength 700 nm having plane wavefronts falls on the slits The intensity of the central point O on the screen is found to be 1 W m The distance S S S S 0 7 mm and screen is 30 cm from slits 0 Find the intensity on the screen at O if S and S are covered g 12 A 17 A Find the intensity on the screen at O if only S is covered 31 7 0 B 31 C 7 Io 6 310 D D To All three slits are now uncovered and a transparent plate of thickness 1 4 am and refractive index 1 25 is placed in front of S Rresultant intensity at point O is 31 7 C 4 1 7 D 5 1 7 D 6 1 7