Question

1.   A grating has exactly 7850 lines uniformly spaced over 2.47 cm and is illuminated by...

1.   A grating has exactly 7850 lines uniformly spaced over 2.47 cm and is illuminated by light from a mercury vapor discharge lamp. What is the expected angle for the third-order maximum of the green line (? = 546 nm)?

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3. Light of 697 nm can be seen in three orders in a particular grating. About how many slits per centimeter does this grating have?

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