# hw 1 - gupta (sg36965) reection refraction imaging HW...

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gupta (sg36965) – reflection refraction imaging HW – yeazell – (55495)1Thisprint-outshouldhave47questions.Multiple-choice questions may continue onthe next column or page – find all choicesbefore answering.00110.0pointsAn object, slanted at an angle of 45, isplaced in front of a vertical plane mirror, asshown.MirrorWhich of the following shows the appar-ent position and orientation of the object’simage?1.image2.image3.image4.image5.image6.image7.image8.image002(part1of3)10.0pointsAn object 3.3 cm high is placed 18.4 cmfrom a convex mirror having a focal lengthof-13.3 cm.Find the position of the final image.Answer in units of cm.003(part2of3)10.0pointsWhat is the magnification?004(part3of3)10.0pointsCalculate the height of the image.Answer in units of cm.005(part1of4)10.0pointsAn object is placed 21.9 cm in front of aconvex mirror of focal length 50 cm.Note:Do convex mirrors have a positive ornegative focal length?What is its image position?Answer in units of cm.006(part2of4)10.0pointsThe magnification of the image in the previ-ous question is:007(part3of4)10.0pointsWith the arrangement discussed above, theimage is:1.real, inverted, bigger than object2.virtual, erect, smaller than object3.virtual, same size as object4.real, same size as object5.real, erect, smaller than object6.virtual, inverted, smaller than object7.virtual, inverted, bigger than object
gupta (sg36965) – reflection refraction imaging HW – yeazell – (55495)28.virtual, erect, bigger than object9.real, erect, bigger than object008(part4of4)10.0pointsAn object is placed at 65.6 cm in front of thismirror.What is its image position?
00910.0pointsAn object isp= 38.2 cm in front of a concavemirror. Its real image height is 5 times largerthan the object height.phWhat is the radius of curvature of the mir-ror?Answer in units of cm.01010.0pointsA concave mirror with a radius of curvatureof 1.7 m is illuminated by a candle located onthe symmetry axis 3.7 m from the mirror.Where is the image of the candle?Answer in units of m.01110.0pointsIf the speed of light through material Z is2.5×108m/s, what is this material’s index ofrefraction? The speed of light in a vacuum is3×108m/s.01210.0pointsDiamond has a high index of refraction atabout 2.4, which helps account for its sparkle.How fast does light travel through a dia-mond?The speed of light in a vacuum is3×108m/s.Answer in units of m/s.013(part1of2)10.0points

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