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Red and blue light are simultaneously passed through a diffraction grating. The first-order maxima for the...

Red and blue light are simultaneously passed through a diffraction grating. The first-order maxima for the red light is located 20 cm from middle of the central bright fringe. Where is the first-order maxima for the blue light located?

Also at 20 cm from the middle of the central bright fringe

Greater than 20 cm from the middle of the central bright fringe

Less than 20 cm from the middle of the central bright fringe

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Answer #1

Wavelength of Red light is greater than wavelength of Blue light so distance of first-order maxima for the blue light is located Less than 20 cm from the middle of the central bright fringe

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