More on the Diffraction Grating Equation
AQA AS-level PhysicsOpticsLesson 26 of 27
dsinθ = nλ
The wavefront emerging from P reinforces the wavefront formed from Q in earlier cycles.
For reinforcement, wavefront travels nλ
The Maximum Number of Orders d n rounded down to the nearest whole number found by substituting θ = 90° in the equation.
Sign in free to see the rest of this lesson, the R.E.C.I.P.E. recall steps and the quiz
BrainCake is free. Make an account in seconds and pick up where this page stops.
More in Optics
All 27 lessons in Optics · All AQA AS-level Physics topics