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A 10cm focal length lens is used to project a side view of the arc of a carbon arc lamp onto a screen. The shield protects the class from the direct light of the arc.
Remember that due to the inversion of the image by the lens, the image of the arc is upside down!
Direct projection of side view of the arc of a carbon arc lamp Read More
View an operating tungsten-halogen lamp Read More
Show what happens to a lighted filament in the presence of air Read More
Demonstrate optical characteristics of a "point source" Read More
Demonstrate that high-frequency AC looks like DC Read More
Demonstrate that light obeys the inverse square law Read More
Show that light obeys the inverse square law Read More
View individually a pinhole "image" Read More
Demonstrate how a pinhole "image" is formed Read More
Produce video images with a pinhole camera Read More
Demonstrate how a laser cavity works Read More
Show what the inside of a laser looks like, and to show that the laser removes lots of spectral components… Read More
Expand a laser beam to uniform 10mm or 40mm diameter Read More