3B Scientific SEK Optics - Manual (Page 20)

Analysis
Table
Focal length f of the
concave mirror in cm
Radius r of the
concave mirror in cm
Construct the concave mirror with the aid of the measured values and with the compass!
Draw the test results into your constructed concave mirror!
1. Parallel beam:
2. Centre point beam:
3. Focal beam:
Result
1. On a concave mirror light is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2. Parallel beams are . . . . . . . . . . . . . . . . . . . .as . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3. Focal beams are . . . . . . . . . . . . . . . . . . . . . as . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4. Centre point beams are . . . . . . . . . . . . . . . . as . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5. Concave mirrors are used in the following technical appliances:
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6. Description of an example:
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ELWE Physical experiments for education in natural science and engineering
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2 SEG - OP 2.3 Reflection and Beam Paths on a Concave Mirror