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In the figure an arrangement of young's ...

In the figure an arrangement of young's double slit experiment is shown. `A` parallel beam of light of wavelength `'lambda'` (in medium `n_(1)`) is incident at an angle `'theta'` as shown. Distance `S_(1)O = S_(2)O.` Point `'O'` is the origin of the coordinate system. The medium on the left and right side of the plane of slits has refractive index `n_(1)` and `n_(2)` respectively. Distance between the slits is `d.` The distance between the screen and the plane of slits is `D.`
Using `D=1m , d =1mm, theta=30^(@), lambda=0.3mm,n_(1)=(4)/(3),n_(2)=(10)/(9),` answer the following

They-corrdinate of the point where the total phase difference between the interefering waves is zero, is

A

`y = 0`

B

`y = + (3)/(4)m`

C

`y = - (3)/(4)m`

D

`-(1)/(sqrt3)`

Text Solution

Verified by Experts

The correct Answer is:
C
N//a
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