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Umbra and penumbra with an extensive light source

Umbra and penumbra with an extensive light source

Item no.: P1100300

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Principle

When using two extensive light sources, umbra and penumbra are formed behind opaque bodies.

 

Benefits

  • minimal preparation time
  • light-intense halogen lamp
  • easy teaching by using the demo board for demonstration
  • ideal complement to analog student experiments by directly comparable devices

 

Tasks

Observe umbra and penumbra with increasing distance of the object to the light source.

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