Question

A parallel beam of white light is incident normally on a diffraction grating. It noted that the second order and third order spectra partially overlap. Which wavelength in the third-order spectrum appears at the same angle as the wavelength of 600nm in the second order spectrum?Options a. 300m b. 400m c. 600 m d. 900m​<br /><br />​

Answer 1

Answer:

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