Physics
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PhysicsDivergence of LASER
Product Description
Divergence of LASER is an Optical setup helpful to identify characteristic of LASER beam. This product illustrates how the spreading of LASER beam enhances with respect to distance travelled in a medium. consists of Optics Bench and Measurement unit. The Measurement unit consists of variable DC power supply, voltage and current display. The Optics Bench consists of LASER source, Converging lens and Photo detector with distance measurement arrangement.
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PhysicsVan De Graaff Generator
Product Description
Van De Graaff Generator is a standard apparatus for demonstrating the presence of static electricity.
Overall, the concept of Van De Graaff Generator is very simple. A belt passes over two rollers, made of different materials (Teflon and Aluminum). Two metal combs are held near the belt surface and the lower roller is attached to the electronic motor. This device harnesses an effect called Electrostatic Induction in order to pump electrical charge. These electrical charges get accumulated on the surface of the aluminum dome. As a result, sparks are seen if the grounded aluminum sphere is brought near the dome, depicting the phenomenon of corona discharge.