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a) A single bi-concave lens (a lens with two concave surfaces) made of fused quartz (index...

a) A single bi-concave lens (a lens with two concave surfaces) made of fused quartz (index of refraction n = 1.46) has surfaces with radii of curvature r1 = -12.0 cm and r2 = 12.0 cm. What is the focal length of the lens in air?

b) If an object is placed at p = 20.0 cm from the lens, where is the image? (Use a positive sign for a real image or a minus sign for a virtual image.)

c) If the object has a height of h = 1.20 cm, how large is the image? (Use a positive sign for an upright image or a minus sign for an inverted image.)

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