A wavelength of 573 nm yields a first order (m = 1) maximum at 40 ...

[swpotter12]

A wavelength of 573 nm yields a first order (m = 1) maximum at 40 with a grating. At what angle will the second order (m = 2) maximum appear for this wavelength?
 a. 17.5
  b. No second order maximum exists in this case.
  c. 40
  d. 80

Question 2

At what angle will the highest order (m value) maximum appear for a wavelength 400 nm using a grating with 600 lines per mm?
 a. 54
  c. 74
  b. 90
  d. 36

[thall411]

Answer to Question 1

B

Answer to Question 2

C

[swpotter12]

Thank you!

[thall411]

Always glad to help...