Light shines on a diffraction grating with a 4000 rulings (slits) per cm, which is immersed...

Light shines on a diffraction grating with a 4000 rulings (slits) per cm, which is immersed in water (refractive index=1.33), resulting in a 3^rd order spectral line at a diffraction angle of 35 degrees. What is the wavelength of the light in air?

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Expert Solution

In the given problem first we have to calculate the wavelength of light in water then we have to calculate wavelength of light in air using below formula

Wave length of light in water can be find using below formula

Wave length of light in air=635.6 nm

genius_generous answered 1 year ago

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