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Two straight narrow slits 0.30 mm apart ...

Two straight narrow slits 0.30 mm apart are illuminated by a monochromatic source of wavelength `5.9xx10^(-7)`m. Fringes are obtained at a distance of 0.30 m from the slit. Find the width of the fringes.

Text Solution

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Fringe width, `beta=(Dlamda)/d`
`beta=(0.30xx5.9xx10^(-7))/(0.3xx10^(-3))=0.59mm`
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