BB Optics - Convex Lenses
BB Optics - Convex Lenses
BB Optics - Concave Lenses

 

Code Number: 6A60.10

Demo Title: Thin Lenses - Blackboard Optics

Condition: Good

Principle: Geometric Optics

Area of Study: Optics

Equipment:

Blackboard Optics Unit, Concave and Convex Lens Sets, and Long Focal Length Convex Lens Set.

Procedure:

Make sure the five rays coming out of the projector are parallel. Place a plano-convex or plano-concave lens with the middle ray going through the center of the lens. Accessories are available so that you can do a double convex or double concave lens if desired. The focal point may not be exact, but will be close enough for people to get the idea.

References:

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  • Yu Chen, Hee Ra Kim, Yu Jin Ahn, Jung Bog Kim, "Geometric Optical Experiments Using Water Mixed with Highlighter Ink", TPT, Vol. 60, #9, Dec. 2022, p. 765.
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University of Maryland Physics Department QOTW Question #4
University of Maryland Physics Department QOTW Answer #4
University of Maryland Physics Department QOTW Question #99
University of Maryland Physics Department QOTW Answer #99
University of Maryland Physics Department QOTW Question #219
University of Maryland Physics Department QOTW Answer #219
University of Maryland Physics Department QOTW Question #304
University of Maryland Physics Department QOTW Answer #304
Video Credit: Jonathan M. Sullivan-Wood
6A60.10 - BB Optics - Convex Lenses
6A60.10 - BB Optics - Concave Lenses