Diffraction Slide, Demonstrates the principle of diffraction grating., Each

Details:

Illustrates how its properties are dependent upon the number of lines per unit length.Card mount, 3.5 × 1.6 in. (90 × 40mm), holds three 16 × 9mm aperturesEach aperture contains a different diffraction grating replicaGratings are 100 lines/mm, 300 lines/mm and 600 lines/mm and are protected by cover glasse