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4500PP02-1

# 4500PP02-1 - Positive Thin Lens 1 A thin lens is in air as...

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Unformatted text preview: Positive Thin Lens 1 A thin lens is in air as shown in the attached ﬁgure. The radius of curvature of the left surface is +100 mm. The positive sign indicates that the light incident from the left encounters a convex surface. The radius of curvature of the right surface is —100 mm. The negative sign indicates that the light incident from the left encounters a concave surface. The refractive index of the lens is 1.500. A vertical planar object exists to the left of the lens. The object is moved such that it is sequentially located at ﬁve different positions in this lefthand region. The dis- tances from the lens to the object are given below. A point on the object is located 50 mm above the axis of the optical system. Calculate, showing all work, the location of the image along the optical axis to the left or to the right of the lens for each of the ﬁve cases. Calculate, showing all work, the location of the image point above or below the optical axis for each of the ﬁve cases. Express your answers in mm. For the image distance, indicate whether it is left or right of the lens. For the image point, indicate whether it is above or below the optical axis. On the attached sheet, for each of the ﬁve cases, prepare a ray trace diagram that incorporates 1) the parallel ray (propagates from object parallel to the optical axis), 2) the chief ray (propagates from object through the center of the lens), and 3) the focal ray (propagates from object through the lefthand focal point). Let the spacing between tick marks be 50 mm. Object Image Distance Distance Distance along axis left or right along axis left or right from axis above or below (mm) (MM) (mm) 400 left 150 left 70 left 40 left 10 left IIIIIIIIIIIIIIII ...
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4500PP02-1 - Positive Thin Lens 1 A thin lens is in air as...

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