What is the slit spacing of a grating necessary so that 600-nm ...

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What is the slit spacing of a grating necessary so that 600-nm light will produce a first order principal maximum at 25.0 away from the centerline?
 
  A) 1.42 m
  B) 2.01 m
  C) 3.12 m
  D) 4.12 m
  E) 5.44 m

Question 2

A 17-mm-wide grating has rulings of 530 lines per millimeter. White light is incident normally on the grating. What is the longest wavelength that forms an intensity maximum in the fifth order?
 
  A) 377 nm
  B) 352 nm
  C) 402 nm
  D) 427 nm
  E) 452 nm

[nguyenhoanhat]

Answer to Question 1

A

Answer to Question 2

A

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[nguyenhoanhat]

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