Will it chop frozen grapes?

I just tried. This is ineffective against frozen grapes.

What is the difference between the various options?

Basically the line spacing. We offer 500 ln/mm, 1000 ln/mm and cross axis 13,500 line/ in. The 1000 ln/mm spreads the spectrum the most.

Your scale is backwards. Red is the longer wavelength.

I think they meant the scale to be applied to the rainbow colors of the plastic part itself (just as a side reference relating color and wavelength), since the positions of colors on the grating depends on angles etc., they aren't tied to a specific position on the grating anyway.

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$Rainbow Symphony Pack of 10 Diffraction Grating Slides - Double Axis 13,500 Lines/inch$

Rainbow Symphony Pack of 10 Diffraction Grating Slides - Double Axis 13,500 Lines/inch

Product ID: 420380133

🌈Double axis for vivid spectra

🔬13,500 lines/inch precision

📽️Compatible with 35mm & overhead projectors

Description

🌈 Illuminate your spectrum game with precision and style!

PROJECTOR READY - Seamlessly integrates with overhead and 35mm slide projectors for dynamic demos
DUAL AXIS BRILLIANCE - Double axis design delivers richer, multidimensional light diffraction
SPECTACULAR PRECISION - 13,500 lines per inch for razor-sharp spectral clarity
HOLOGRAPHIC OPTICAL EXCELLENCE - Embossed Holographic Optical Elements maximize brightness with minimal noise
INTERACTIVE LEARNING ESSENTIAL - Transforms light and color studies into unforgettable, hands-on experiences

This 10-pack of double-axis diffraction grating slides features 13,500 lines per inch embossed holographic optical elements, delivering the brightest, clearest spectra for scientific and educational use. Compatible with overhead and 35mm projectors, these slides are perfect for hands-on light and color analysis, making complex spectral demonstrations visually stunning and accessible.

Specifications

ASIN	B00PBDTJ0I
Batteries Required?	No
Batteries included?	No
Best Sellers Rank	101,560 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 14 in Science Education Optics Kits
Colour	13,500
Customer Reviews	4.3 4.3 out of 5 stars (311)
Date First Available	15 Feb. 2013
Guaranteed software updates until	unknown
Item Package Quantity	1
Item Weight	9 g
Item model number	01602-10
Manufacturer	Rainbow Symphony
Material	plastic
Number of Pieces	10
Package Dimensions	8.99 x 6.1 x 1.09 cm; 9 g
Part number	01602-10
Size	10-Pack

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