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Double Lens Holder PS Energy Affordable way to teach a Affordable way to teach a core constant: delivers a true e m measurement lab without the cost or complexity of piecemeal components Encourages prediction and reasoning: Students compare energy based predictions with average velocity analysis The Double Lens Holder is designed to support two standard 50mm diameter converging and diverging lenses at the same time The Double Lens Holder is a component of our Introductory Optical System (#92 7700)
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