A 17 Mm Wide Diffraction Grating Has Rulings of 530

Multiple Choice

A 17 mm wide diffraction grating has rulings of 530 lines per mm.Light is incident normally on the grating.The longest wavelength that forms an intensity maximum in the fifth order is closest to:

A) 377 nm
B) 352 nm
C) 402 nm
D) 427 nm
E) 452 nm