US$ 89.00
Designed to measure Planck's constant through the photoelectric effect
Can withstand high temperatures and thermal shocks
and ray-tracing demos
and a month-labeled base for tracking orbital positions through the year
Double Concave Acrylic Lens, 86mm, 20cm Focal Length Glassware Designed to measure Planck's constantAcrylic double concave lens at 86mm length and 20cm diverging focal length, the lightweight body producing virtual upright reduced images for safer per desk divergence demonstrations.
US$ 89.00
US$ 109.00
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