Diffraction grating spectrometer · 3D

Rotate a telescope around a ruled grating and locate spectral lines through its eyepiece.

589.1 nm from the telescope angleLive calculation

Show resultsExplanatory guidesValues

Preparing the 3D experiment…

Experiment setup

Grating density

lines/mm

Reference wavelength

Telescope angle

Measured order

Light source

Results update as you change the setup. Your notebook and view zoom are kept.