24_InstSolManual_PDF_Part5 - Geometric Optics 24-5 m52 f f...

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As and as The magnification is positive and varies between 1 and 24.13. Set Up: For a concave mirror, and Solve: (a) (b) so the image is 48.0 cm to the right of the mirror. so the image is virtual. (c) The principal-ray diagram is sketched in Figure 24.13. The rules for principal rays apply only to paraxial rays. Principal ray 2, that travels to the mirror along a line that passes through the focus, makes a large angle with the optic axis and is not described well by the paraxial approximation. Therefore, principal ray 2 is not included in the sketch. Figure 24.13 Reflect: A concave mirror forms a virtual image whenever 24.14. Set Up: For a concave mirror, and Solve: (a) The principal-ray diagram is sketched in Figure 24.14. Figure 24.14
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Unformatted text preview: (b) The image is 33.0 cm to the left of the mirror. It is 1.20 cm tall. so the image is real. so the image is inverted. m , 0, s r . 0, y r 5 m y 5 1 2.00 21 0.600 cm 2 5 1.20 cm. m 5 2 s r s 5 2 33.0 cm 16.5 cm 5 2 2.00. s r 5 sf s 2 f 5 1 16.5 cm 21 11.0 cm 2 16.5 cm 2 11.0 cm 5 33.0 cm. 1 s 1 1 s r 5 1 f . Image Object C F 2 1 3 4 f 5 R 2 5 11.0 cm. R 5 22.0 cm R . 0. s , f . Object Image C F 3 1 4 s r , s r 5 2 48.0 cm, m 5 2 s r s 5 2 2 48.0 cm 12.0 cm 5 1 4.00. s r 5 sf s 2 f 5 1 12.0 cm 21 16.0 cm 2 12.0 cm 2 16.0 cm 5 2 48.0 cm. 1 s 1 1 s r 5 1 f . f 5 R 2 5 16.0 cm. R 5 32.0 cm R . 0. ` . m S 1. s S 0, m S ` s S f , m 5 2 f s 2 f 5 f f 2 s . Geometric Optics 24-5...
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  • Spring '07
  • Shoberg
  • Geometrical optics, Paraxial approximation

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