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In a Young's double slit experiment , th...

In a Young's double slit experiment , the interference fringes are obtained on screen `0.75` m apart . The third dark band is at a distance of `5.5` mm from the central fringes (i) Determine the wavelength of light used if the two slits are `0.15` mm apart , (ii) What will be the wavelength of light used if the entire apparatus is immersed in a liquid of refractive index 4/3 ?

Text Solution

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The correct Answer is:
(a) `4.4 xx 10^(-7)m` (b) `3.3 xx 10^(-7) m`
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