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Candle and Flask (OP-A-CF)

Candle and Flask (OP-A-CF)



A water-filled flask acts as a thick lens to form an image of a candle flame.

LAB EQUIPMENT

1.  Round bottomed flask w/ water
2.  Petri dish support
3.  Short candle w/ holder
4.  Matches
5.  Screen


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  • Description

    Product Description

    DIRECTIONS

    1.  Set the flask between the screen and the candle.
    2.  Move the screen (and or candle) back and forth until the image comes in sharply.

    (The focal point can be predicted using thick-lens equations.)