The distance between the first and fifth minima of a single-slit diffraction pattern is 0.450 mm with the screen 35.0 cm away from the slit, when light of wavelength 540 nm is used. (a) Find the slit width. (b) Calculate the angle e of the first diffraction minimurh. (a) Number 168 Units (b) Number 0.00000194 Units rad

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Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.