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To Determine the Focal Length of a Convex Lens.
The first 200 words of this essay...
To Determine the Focal Length of a Convex Lens.
Aim:
To determine the relationship between the power of the vocal lens, object and the image distance from the lens.
Apparatus:
Bulb
Projector
Convex lens
Lens holder
Screen
Optical Bench
12V power supply
Diagram:
Method:
* Set up the apparatus as shown in diagram.
* Put the focal lens at the first distance shown on the results. Also put the object at the 0 point of the optical bench.
* Switch the 12V bulb and move the projector until a clear picture of the object is visible.
* Record the results on the results table of the distance from the lens to the projector
* Keep on moving the object to the 6 points shown on the results table and record the distances when object is visible for each measurement
* I will do the experiment twice for each measurement to ensure that the results are accurate
Safety:
Making sure that all bags are put under tables will make this experiment
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