an essay about focal lenth
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Focal Length Of A Concave Mirror Aim: To observe the focal length of a concave mirror. Materials: · Concave Mirror · Retort Stand · 2 Pins in stands · Candle · Matches · Ruler · Screen Procedure: 1. An approximate focal length was found using parallel light from a distant object. 2. The mirror was placed in a stand. Pin (A) was moved in its stand, in front of the mirror till there was no parallax between the pin and its inverted image. 3. The distance from the object to the mirror was measured.... [tags: Science Experiment, Physics]Focal Length Of A Concave Mirror Aim: To observe the focal length of a concave mirror. Materials: · Concave Mirror · Retort Stand · 2 Pins in stands · Candle · Matches · Ruler · Screen Procedure: 1. An approximate focal length was found using parallel light from a distant object. 2. The mirror was placed in a stand. Pin (A) was moved in its stand, in front of the mirror till there was no parallax between the pin and its inverted image. 3. The distance from the object to the mirror was measured.... [tags: Science Experiment, Physics]Focal Length Of A Concave Mirror Aim: To observe the focal length of a concave mirror. Materials: · Concave Mirror · Retort Stand · 2 Pins in stands · Candle · Matches · Ruler · Screen Procedure: 1. An approximate focal length was found using parallel light from a distant object. 2. The mirror was placed in a stand. Pin (A) was moved in its stand, in front of the mirror till there was no parallax between the pin and its inverted image. 3. The distance from the object to the mirror was measured.... [tags: Science Experiment, Physics]
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