Demonstrates refraction. Shows displacement of rays in a uniform slab of glass						Read More
					
						Illustrates refraction
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						Demonstrates refraction
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						Illustrate refraction						Read More
					
						Illustrate refraction						Read More
					
						Demonstrates how a light ray bends when it enters a different medium at an oblique angle						Read More
					
						Illustrate a paradox involving Snell's law						Read More
					
						Demonstrates refraction
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						Demonstrates a medium with a continually varying index of refraction
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						Demonstrates how index of refraction affects what we see in a fluid bath
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						Demonstrate refraction of microwaves by a paraffin prism						Read More
					
						Determine the index of refraction of paraffin for microwaves						Read More