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To Determine the Focal Length of a Convex Lens.
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| Submitted: Thu Jul 11 2002
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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...
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