Optics
Diffraction Grating
Condition for principal maxima from a diffraction grating. Same form as double-slit but much sharper peaks.
Variables
dm
Grating spacing
\theta°
Angle to maximum
munitless
Order number
\lambdam
Wavelength
Your notes
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Common questions
What is the Diffraction Grating formula?
Diffraction Grating is written dsinθ= mλ. Condition for principal maxima from a diffraction grating. Same form as double-slit but much sharper peaks. It belongs to Optics, under Wave Optics.
What are the units in dsinθ= mλ?
In SI units, d is grating spacing, measured in m; \theta is angle to maximum, measured in °; m is order number (dimensionless); \lambda is wavelength, measured in m.