Hand written solution required

The following figure shows the moon looked through a two-dimensional diffraction grating. The grating period in both x-direction and y-direction is d. (a) Why are there discrete bands of diffracted light? (b) Why is the red further away from the image of the moon in the center than the blue within the same band? (c) Explain how you can estimate the distance between the grating and the observation plane from above figure. Use d, the grating period, and x. the distance between the center and a point of a particular color whose wavelength is 2. YKThe following figure shows the moon looked through a two-dimensional diffraction grating. The grating period in both x-direction and y-direction is d. (a) Why are there discrete bands of diffracted light? (b) Why is the red further away from the image of the moon in the center than the blue within the same band? (c) Explain how you can estimate the distance between the grating and the observation plane from above figure. Use d, the grating period, and x. the distance between the center and a point of a particular color whose wavelength is 2. YK