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A person with her eye relaxed looks through a diffraction gratingat a distant mo

ID: 1722581 • Letter: A

Question

A person with her eye relaxed looks through a diffraction gratingat a distant monochromatic point source of light. The slits of thegrating are vertical. She sees:

1. one point of light

2. a hazy horizontal strip of light of the same color as thesource
3. a hazy strip of light varying from violet to red 4. a sequence of horizontal points of light 5. a sequence of closely spaced vertical lines

I cant figure this question out I believe the correct anwser is 4,but I need someone to verify this thanks.
1. one point of light

2. a hazy horizontal strip of light of the same color as thesource
3. a hazy strip of light varying from violet to red 4. a sequence of horizontal points of light 5. a sequence of closely spaced vertical lines

Explanation / Answer

4. a sequence of horizontal points of light

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