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If 550-Nm Light Is Incident Normally on a Diffratction Grating

Question 74

Multiple Choice

If 550-nm light is incident normally on a diffratction grating and exactly 6 lines are produced. The ruling eparation must be:


A) between 2.75 *10-7 m and 5.50 *10-7- m
B) between 5.50 *10-7 m and 1.10 *10-7 m
C) between 3.30 *10-7 m and 3.85 *10-7 m
D) between 3.85 *10-7 m and 4.40 *10-7 m
E) greater than 4.40 *10 - 7 m

Correct Answer:

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