nt light with a mix of wavelengths 470 nm, 550 nm, and 665 nm onto a diffraction grating with a spacing of 0.45μm.  Wh

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A: Given that - Wavelength of laser light Distance between the screen and slits Width of the central…

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A: Approach to solving the question: Thin film interference. Detailed explanation:

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Q: e minimum separation distance t

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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.