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Corrosion-Resistant Lid: Durable 304 stainless steel lid resists corrosion and extends product life
Each label has a number on the back which corresponds to a number on the outline of the chart so children can check to see that they have placed the organs correctly
Power Supply DC 1
Wooden cross stand provided for greater ease and efficiency while playing
Photoelectric Effect Demo Corrosion-Resistant Lid: Durable 304 stainlessIt is a more useful instrument for research the rule of photoelectric effect: Electrons inside an object will escape to the surface immediately when light irradiates on it. Initial kinetic energy of the escaping electrons has nothing to do with intensity of light but increased along with increment of light frequency. Saturation current is positively rated to intensity of light. The instrument can also determine the stopping potential and qualitative
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