A plane wavefront of wave_{}lenght 6×10^{-7}m falls on a slit of widt – InterviewSolution

1.	A plane wavefront of wave_{}lenght 6×10^{-7}m falls on a slit of width 0.4mm.A convex lens of focal lenght 0.8m placed behind the slit focusses the light on a screen.What is the linear width of second maxima
Answer» A plane wavefront of wave_{}lenght 6×10^{-7}m falls on a slit of width 0.4mm.A convex lens of focal lenght 0.8m placed behind the slit focusses the light on a screen.What is the linear width of second maxima

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