Solution

Question\n\nIf a diffraction grating produces a third-order bright spot for red light of wavelength $700\,\mathrm{nm}$ at $65^{\circ}$ from the central maximum, at what angle will the second-order bright spot be for violet light of wavelength $400\,\mathrm{nm}$?\n\nContent coming soon. Write the full solution here, or use the part files (p-i.mdx, p-ii.mdx, …) for each part.