A Beam of White Light (From 400 Nm for Violet

Multiple Choice

A beam of white light (from 400 nm for violet to 700 nm for red) is normally incident on a diffraction grating. It produces two orders on a distant screen. Which diagram below (R = red, V = violet) correctly shows the pattern on the screen?

A) I.
B) II.
C) III.
D) IV.
E) V.