Light of wavelength $\lambda$ is normally incident on a diffraction grating G.On the screen S, the central line is at P and the first order line is at Q, as shown.The distance between adjacent slits in the grating is:
A)3$\lambda$/5
B)3$\lambda$/4
C)4$\lambda$/5
D)5$\lambda$/4
E)5$\lambda$/3

Question

Light of wavelength $\lambda$ is normally incident on a diffraction grating G.On the screen S, the central line is at P and the first order line is at Q, as shown.The distance between adjacent slits in the grating is: 
A)3$\lambda$/5 
B)3$\lambda$/4 
C)4$\lambda$/5 
D)5$\lambda$/4 
E)5$\lambda$/3

Quizplus · Accepted Answer

The Answer of Light of wavelength $\lambda$ is normally incident on a diffraction grating G.On the screen S, the central line is at P and the first order line is at Q, as shown.The distance between adjacent slits in the grating is: 
A)3$\lambda$/5 
B)3$\lambda$/4 
C)4$\lambda$/5 
D)5$\lambda$/4 
E)5$\lambda$/3

Light of Wavelength λ\lambdaλ Is Normally Incident on a Diffraction Grating G

Light of Wavelength $\lambda$ Is Normally Incident on a Diffraction Grating G