Red light ($\lambda$ = 700 nm)is incident normally on a diffraction grating having 1000 lines/cm.A maximum is observed at a deflection angle of 12º.The order in which this occurs is
A)1
B)2
C)3
D)4
E)5

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The Answer of Red light ($\lambda$ = 700 nm)is incident normally on a diffraction grating having 1000 lines/cm.A maximum is observed at a deflection angle of 12º.The order in which this occurs is
A)1
B)2
C)3
D)4
E)5

Red Light λ\lambdaλ = 700 Nm)is Incident Normally on a Diffraction Grating Having

Red Light $\lambda$ = 700 Nm)is Incident Normally on a Diffraction Grating Having