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o (mm) 180 190 200 210 220 230 240 250 260 270 280 290 1/o .0056 .0053 .005 .0048 .0045 .0043 .0042 .004 .0038 .0037 .0036 .0034 I(mm ) 357 332 308 287 270 258 249 241 236 225 222 215 1/i .0028 .0030 .0032 .0035 .0037 .0039 .0040 .0041 .0042 .0044 .0045 .0047
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Margaret Rah Lab MP3 VI-3a. In this part of the experiment we used a laser and Flens=127mm and measured the length it took to get a clear image. VI-3b: M=l1/l2=37/19=1.95mm ImI=i/o 137/80= 1.71mm The image data is not exact but close enough to be comparable to the location data. VI-4: In step V4 f=25mm and the image distance was 65mm. F=i/2 65/2=32.5mm Percent Error= (32.5-25/32.5)*100= 23.08% Our measured focal length was larger than the given focal length of the concave mirror. VI-5. Ф 0 10 20 30 40 50 6 0 70 80 9 0 100 110 120 130 140 15 0 160 170 I 1. 0 1.1 6 1.0 6 . 81 . 53 . 33 .1 . 035 . 006 0 . 009 . 058 . 175 . 372 . 587 .9 1.2 4 1.3 6 I 0 1. 0 1.2 1.2 1. 1 .9 .8 .4 .3 .2 .2 .3 .5 .7 .9 1.0 1.2 1.4 1.4
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Unformatted text preview: 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 350 1.4 1.2 6 1.0 6 .75 .47 . 20 7 .1 . 03 5 . 00 6 . 00 9 . 05 8 . 17 5 . 33 1 . 58 7 . 82 5 1.0 6 1.3 6 1.4 1.3 1.2 1.0 .8 .5 .4 .3 .2 .2 .3 .5 .7 .8 1.0 1.1 1.2 1.4 I=I 0 Cos^2 Ѳ 1.0 Cos(0)^2=1.0 2. Cos(10)^2=1.16 Yes, my measurements follow Malus’s law. Questions VII-2. VII-3. The images formed by lenses appear colored while this is not true in the case of mirrors of any curvature because the lenses allow light to pass through allowing us to see the different colors through the lens but the curvature of the mirror does not allow us to see the colors that the light give off....
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