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Question 1. Find the first few maxima and minima for the diffraction pattern of two slits...

Question 1. Find the first few maxima and minima for the diffraction pattern of two slits separated by 12 μm with a screen 50 cm away assuming we use a laser with a wavelength in air of 550 nm.

Question 2. Using these values sketch a graph of light intensity versus distance from the central maximum (y = 0).

Question 3. If you then examine two slits separated by 1.2 μm what wavelength light should you use to keep the pattern unchanged assuming the screen is still at 50 cm.

Question 4. Review why single slit diffraction occurs and make sure you are clear on the differences and similarities between the equations for single slit maxima and minima and double slit maxima and minima (they look really really similar but there are subtle differences).

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