A red- 633 nm laser is incident upon a diffraction grating with 30.0 lines per centimeter. Thelight is allowed to pass straight through the grating such that an interference pattern isproduced on a screen, 2.80 m away (as shown in the figure below).n = 3n = 2n = 1Central bright spota. What will be the distance from the central bright spot to the first bright fringe (n=1)?b. What will be the distance from the central bright spot to the second bright fringe (n=2)?c. Will the small angle approximation work?d. Will the small angle approximation work if the screen is 4 cm away from the grating?

Given: Number of lines: 30 lines per cm The distance between the grating and the screen: D=2.80 m…

Answered: A red- 633 nm laser is incident upon a…

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