The Spacing Between Adjacent Slits on a Diffraction Grating Is $\lambda$

question 11

Multiple Choice

The spacing between adjacent slits on a diffraction grating is 3 $\lambda$ . The deviation $\theta$ of the first order diffracted beam is given by:

• A) sin(\(\theta\)/2) = 1/3
• B) sin(\(\theta\)/3) = 2/3
• C) sin(\(\theta\)) = 1/3
• D) tan(\(\theta\)/2) = 1/3
• E) tan(\(\theta\)) = 2/3

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