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A double-slit experiment uses coherent light of wavelength 633 nm with a slit separation of 0.100...

A double-slit experiment uses coherent light of wavelength 633 nm with a slit separation of 0.100 mm and a screen placed 2.0 m away.

(a) How wide on the screen is the central bright fringe?

(b) What is the distance on the screen between first-order and second-order bright fringes?

(c) What is the angular separation (in radians) between the central maximum and the first-order maximum?   

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