Question

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Paragraph Styles If you didn't see the image will you be able to locate where the image is supposed to be geometrically? If so, sketch it. What is the nature of image? 2. While your object is between the focal point and the lens, click on "virtual image and describe your observation. If you see the image describe its location, size as compared to the object, and its similarity and difference with the real image. 3. Verify the focal length of the lens: a. Set the refractive index (n) to 1.5 and the radius of curvature (R) to 0.6 m. Use the lens maker's equation to calculate the focal length (1) of the lens b. Measure the focal length of the lens to confirm your answer. If it is different from your calculated response, why? 4. Use the focal length you found in (3), complete the table below and check your work in the simulation. Simulation created by the Physics Education Technology Project EU c/o The University of Colorado at Boulder http://phet.colorado.edu/ This lab has been modified for the On-line la course from "Electricity and Magnetison", 3" Ed Sokoloft, cows and Thornton for UNCC labs 11021/2102 UNCC Phys 1102L Summer - 2, 2019 Online Lab #9 Object Distance (p) Image Distance (9) Magnification (m) Nature of the image (Real or Virtual/upright or inverted)

Answer 1

2. Assume a convex lens, where the object is between the focal length and lens. Image formation is given by The image is virtual, formed at the same side of the object, upright and magnified 3. According to Lens maker's formula (n-n)1 ens n P Power of the lens .(1.5-1) 1 1 + X 0.6 0.6 1 0.5 1 1 X 0.6 0.6 -1.66m -1 P f =60cm

4. Calculations are given below f=60 cm |Objet distamce (t)(w Image elame )MagncakonNatun of t image -씀-044 | Raa, Invelkd +Le46 m 60 n0 190 -400.33Ral Inveited +L,40 m 60 120 120 120 t36 m» 36 4Rial, Invrkf 90 cm 60 90 A Inhnily AL Intinity 6Ocm Same size m-o.66Virtual Cupright 30 cm 20cm 5. Now the focal length is given by 1 lens P = 1.7-11 1 1 0.5 0.5 = 2.8 35.71cm A

bject delane P Com) Image distan te Cem) TMngahcakaneb (m) _1 LI. 30-66m30-06-& 15Raal, Inverted 140 35-71 10 +L-27.52 Real In vnkd 120 35 12o 1 I. tL25 6 3S.7 90 m =0-d8Ral Invented 0 ; J +L 22:38 m = O-37 35 60 Ral, Inwke 6 O Viitual 16.30 o S4 30