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Light of wavelength 6 xx10^(-5) cm falls...

Light of wavelength `6 xx10^(-5)` cm falls on screen at a distance of 100 cm from a narrow slit. Find the width of the slit if the first minima lies 1mm on either side of the central maximum

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To solve the problem step by step, we will use the concepts of wave optics, particularly the condition for minima in single-slit diffraction. ### Step 1: Understand the Problem We have a light of wavelength \( \lambda = 6 \times 10^{-5} \) cm falling on a screen at a distance \( D = 100 \) cm from a narrow slit. The first minima occurs at a distance of 1 mm (or 0.1 cm) on either side of the central maximum. ### Step 2: Set Up the Geometry The distance from the slit to the screen is \( D \), and the distance from the central maximum to the first minima is \( y = 1 \) mm = 0.1 cm. ...
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