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13 - Mirrors and Lenses

# 13 - Mirrors and Lenses - Physics 8B 13 Mirrors and Lenses...

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Physics 8B 13 – Mirrors and Lenses rev 4.0 13 – Mirrors and Lenses 1. Q&P: For each of the cases below, determine both mathematically and by ray tracing (axes provided on the next page ). i. The x-location of the image ii. Whether the image is real or virtual iii. Whether image is inverted or the same orientation as the object iv. Whether the image is bigger, same size, or smaller than the object a) Object at x = 0 cm and a converging mirror f = +6 cm at x = +12 cm. b) Object at x = 0 cm and a converging mirror f = +24 cm at x = +12 cm. c) Object at x = +6 cm and a concave mirror with radius of curvature r = 24 cm at x = -12 cm. d) Object at x = 0 cm and a diverging mirror f = -12 cm at x = +12 cm. e) See Diagram f) Object at x = -18 cm and a plane mirror at x = 0 cm.

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Physics 8B 13 – Mirrors and Lenses rev 4.0 x = -24 x = 0 x = 24 x = -24 x = 0 x = 24 x = -24 x = 0 x = 24 x = -24 x = 0 x = 24 x = -24 x = 0 x = 24 F a) b) c) d) e) Object x = -24 x = 0 x = 24 f)
Physics 8B 13 – Mirrors and Lenses rev 4.0 2. Q&P: For each case a mirror is at the origin. Determine by ray tracing and mathematically what the focal length of the mirror is. a) b) 3. Q: In the amusement park’s House of Mirrors, Barry stands in front of a large diverging mirror. Compared to the original Barry, will the image be a) shorter and fatter b) taller and thinner c) inverted and shorter d) upright and taller e) none of the above (Describe image) x = -24 x = 0 x = 24 Object Image x = -24 x = 0 x = 24 Object Image

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Physics 8B
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