In a Young's double slit experiment, the path difference, at a certain point on the screen, between two interfering waves is 1/8 th of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to:

Optics: JEE Main 2019 Physics question

JEE Main 2019 · 11 Jan, Morning shift · Q8425

JEE Main 201911 Jan, Morning shiftPhysicsMediumOptics190× since 2002

In a Young's double slit experiment, the path difference, at a certain point on the screen, between two interfering waves is

{1 \over 8}

th of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :

JEE Main 2019 · 11 Jan, Morning shift · Q8425

JEE Main 201911 Jan, Morning shiftPhysicsMediumOptics190× since 2002

In a Young's double slit experiment, the path difference, at a certain point on the screen, between two interfering waves is

{1 \over 8}

th of wavelength. The ratio of the intensity at this point to that at the centre of a bright fringe is close to :