Question: 5. Light from a monochromatic source passes through a single slit with a width of 12 um. If the fourth dark fringe appears at an

5. Light from a monochromatic source passes through a single slit

5. Light from a monochromatic source passes through a single slit with a width of 12 um. If the fourth dark fringe appears at an angle of 10", calculate the wavelength of light used. What is the wavelength of the light? [3 marks]

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