73. Light is incident on a diffraction grating with 8600
Chapter 24, Problem 73(choose chapter or problem)
73. Light is incident on a diffraction grating with 8600 lines/cm, and the pattern is viewed on a screen 2.5 m from the grating. The incident light beam consists of two wavelengths. Ai = 4.6 X 10_7m and A2 = 6.8 X 107m. Calculate the linear distance between the first-order bright fringes of these two wavelengths on the screen.
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