40182.
The grating period is such that the maximum of the first order for the wavelength of 0.7 microns corresponds to an angle of 30 °. What is the wavelength of light, which in the spectrum of the second order has a maximum angle of 45 °?
The grating period is such that the maximum of the first order for the wavelength of 0.7 microns corresponds to an angle of 30 °. What is the wavelength of light, which in the spectrum of the second order has a maximum angle of 45 °?
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