Answered: Question 16 A diffraction grating has… | bartleby

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Question 16
A diffraction grating has 450 lines per millimeter. What is the highest order m that contains the entire visible spectrum from 400 nm to 700 nm?
Om2
Om-4
Om-6
Om-5
Om-3
Question 17
As shown in the figure, the orientation of the transmission axis for each of three ideal polarizing sheets is labeled relative to the vertical direction. A

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Unpolarized light passes through two ideal polarizers in turn with polarization axes at 31.5° to each other. What is the fraction of the incident light intensity that is transmitted? Numeric Response
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Two sheets of ideal polarizing material are placed with their transmission axes at 60.0 to each other. A third polarizing sheet is placed between them with its transmission axis at 30.0° to the axes of the other two. What is the fraction of the incident light intensity that is transmitted, when the middle sheet is removed? ___I0
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