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15 cards from this deck
Diffraction grating
Interference fringes
Never look directly at laser beam or its reflections
Spacing between adjacent slits in diffraction grating
Laser, diffraction grating, screen
Distance from grating to screen
1-3 metres
Distance between centres of corresponding images
λ=dsinθn\lambda = \frac{d \sin \theta}{n}λ=ndsinθ
tanθ=Y2D\tan \theta = \frac{Y}{2D}tanθ=2DY
Order of diffraction (1, 2, 3, etc.)
Reduces percentage error in measuring YYY
View scale directly from above
~650 nm
Wave nature of light through interference and diffraction
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