Determine the width of the slit

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Q1. When blue light of wavelength 450 nm falls on a single slit, the first dark bands on either side of center are separated by 58.0 degrees. Determine the width of the slit.

Q2. A farsighted man uses eyeglasses with a refractive power of 2.05 diopters. Wearing the glasses 0.03 m from his eyes, he is able to read books held no closer than 0.26 m from his eyes. He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters?

Reference no: EM137998

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