PS10_2005

# PS10_2005 - OPTI 201R Fall 2005 X.1 Problem Set X Due X.2...

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OPTI 201R, Fall 2005 Problem Set X Due October 31, 2005 10/26/05 1 of 2 X.1 For a concave mirror, radius of -20 cm, with a diameter of 4 cm: a) Find the power in diopters if used in air. b) What is the (F/#) in air? c) Make a sketch showing the cardinal points. d) What is the power (diopters) if the mirror is submerged in water? (n = 4/3) e) What is its focal lengths (f,f*) in water? X.2 A concentric lens of index 1.5 with radii of -5 and -8 cm is aluminized on the 8 cm surface as shown below. a) What is the total power of the lens? b) Where is the back focal point located? X.3 An equiconvex lens of index 1.5, thickness 2 cm and radii of 10 cm is aluminized (mirror surface) on one side. a) What is the power (diopters)? b) Where are the cardinal points? X.4 A glass sphere (n = 1.5) with a radius of 5 cm is dipped into gold such that ½ of the sphere is covered with gold. An object is placed 15 cm in front of the glass sphere so that the gold surface acts as a mirror (see below). Gold object 15 cm a) Where is the image? b) What is the transverse magnification?

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PS10_2005 - OPTI 201R Fall 2005 X.1 Problem Set X Due X.2...

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