Calculate distance between the diffraction peaks on screen

Reference no: EM13265162

1. Green light at 532 nm lights a diffraction grating with 800 lines per cm. Diffraction pattern is on screen 7.5m away. Calculate distance between the diffraction peaks on the screen?

2. A He-Ne laser illuminates slit that is 1690 nm wide. The first dark fringe is at angle 22 degrees from middle central peak. What is the wavelength of light from laser?

Reference no: EM13265162

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Calculate distance between the diffraction peaks on screen : Green light at 532 nm lights a diffraction grating with 800 lines per cm. Diffraction pattern is on screen 7.5m away. Calculate distance between the diffraction peaks on the screen

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