Monochromatic Light of Wavelength 500 Nm Is Incident Normally on a Diffraction

Multiple Choice

Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating.If the third-order maximum of the diffraction pattern is observed at 32.0°,what is the total number of maxima can be seen?

A) 5
B) 7
C) 10
D) 11
E) 8