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A red- 633 nm laser is incident upon a diffraction grating with 30.0 lines per centimeter. The light is allowed to pass straight through the grating such that an interference pattern is produced on a screen, 2.80 m away (as shown in the figure below). n = 3 n = 2 n = 1 Central bright spot a. 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?

A red- 633 nm laser is incident upon a diffraction grating with 30.0 lines per centimeter. The light is allowed to pass straight through the grating such that an interference pattern is produced on a screen, 2.80 m away (as shown in the figure below). n = 3 n = 2 n = 1 Central bright spot a. 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?

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A red- 633 nm laser is incident upon a diffraction grating with 30.0 lines per centimeter. The light is allowed to pass straight through the grating such that an interference pattern is produced on a screen, 2.80 m away (as shown in the figure below). n = 3 n = 2 n = 1 Central bright spot a. 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?
Transcribed Image Text:A red- 633 nm laser is incident upon a diffraction grating with 30.0 lines per centimeter. The light is allowed to pass straight through the grating such that an interference pattern is produced on a screen, 2.80 m away (as shown in the figure below). n = 3 n = 2 n = 1 Central bright spot a. 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?
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