Description

Snell's law

separation

a 12V LED source on a US plug

5 inch specific gravity cylinder with a top hook for spring-scale massing

and 10 crocodile leads for full-class circuit-building work

Rectangular Refraction Glass Block, 75 x 50 x 18mm Lab Supplies_Classroom Snell's lawPairs a 75 by 50mm face with a thicker 18mm body on a rectangular glass refraction block, the optically worked beveled edges widening the visible lateral shift in refraction angle demos.

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Rectangular Refraction Glass Block, 75 x 50 x 18mm Lab Supplies_Classroom Snell's law

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