Question

What is the diffraction grating equation ?

Answer 1

\[d \sin \theta=m\]lambda

Answer 2

The diffraction grating equation is
\[d \sin \emptyset _{m}=m \lambda\]

Learn more about Diffraction Grating Equation at http://physics.tutorvista.com/light/diffraction.html

Answer 3

dsin∅m=mλ
do pay notice on the number of order, number of lines, etc.