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ASK YOUR TEACHER Light Emitting Diodes (LEDs) are semiconductor devices that emit light at specific wavelengths...

ASK YOUR TEACHER Light Emitting Diodes (LEDs) are semiconductor devices that emit light at specific wavelengths without emitting at any other wavelengths. LEDs can be used to create lasers that are very compact since they are a solid state device. A pair of narrow, parallel slits separated by 0.265 mm are illuminated by a green LED laser (λ = 546.1 nm). The interference pattern is observed on a screen 1.60 m from the plane of the parallel slits.

(a) Calculate the distance from the central maximum to the first bright region. (b) What is the distance between the first and second dark fringes?

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