A diffraction grating just resolves the wavelengths 400.0 nm and 400.1 nm in first order.The number of slits in the grating is:
A)400
B)1000
C)2500
D)4000
E)not enough information is given

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The Answer of A diffraction grating just resolves the wavelengths 400.0 nm and 400.1 nm in first order.The number of slits in the grating is:
A)400
B)1000
C)2500
D)4000
E)not enough information is given

A Diffraction Grating Just Resolves the Wavelengths 400