48. Calculate the wavelength of light that produces its first minimum at an angle of 36.9º when falling on a single slit of width 1.15 μm . 43. (a) At what angle is the first minimum for 650-nm light falling on a single slit of width 0.16 mm? (b) If the slit-screen distance is 94 cm, calculate the width of the central bright fringe.
48. Calculate the wavelength of light that produces its first minimum at an angle of 36.9º when falling on a single slit of width 1.15 μm . 43. (a) At what angle is the first minimum for 650-nm light falling on a single slit of width 0.16 mm? (b) If the slit-screen distance is 94 cm, calculate the width of the central bright fringe.
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