A diffraction grating is placed in front of a laser beam, resulting in various bright spots appearing on a screen. Given the following values, and the positions of the dots on the screen (in metres), find the wavelength of the light, in nm.

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A diffraction grating is placed in front of a laser beam, resulting in various bright
spots appearing on a screen. Given the following values, and the positions of the
dots on the screen (in metres), find the wavelength of the light, in nm.
Screen to Grating Distance (3-10m) 7.98
Diffraction grati
Grating lines per mm (200-500) 343
Screen to grating distance
Wavelength (400-700 nm) ???
Screen
Transcribed Image Text:A diffraction grating is placed in front of a laser beam, resulting in various bright spots appearing on a screen. Given the following values, and the positions of the dots on the screen (in metres), find the wavelength of the light, in nm. Screen to Grating Distance (3-10m) 7.98 Diffraction grati Grating lines per mm (200-500) 343 Screen to grating distance Wavelength (400-700 nm) ??? Screen
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