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Umbra and penumbra with two point light sources

Umbra and penumbra with two point light sources

Item no.: P1100200
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Difficulty Expenditure of Time print
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Principle

When using two point 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 the shadow intensity behind the illuminated object and divide it into umbra and penumbra region.

 

 

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