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.

Question

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.

Quizplus · Accepted Answer

The Answer of 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.

A Beam of White Light (From 400 Nm for Violet