# Optics - MP3 Geometrical Optics PHY 152 In this lab you...

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MP3 Geometrical Optics PHY 152 In this lab you will complete the following tasks: a. Determine the focal length f and the magnification m of a nvex lens convex lens b. Measure the focal length f of a concave mirror c. Study Malus’s law for linearly polarized light (page 1)

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Section V-3a: Focal length f of a convex lens this experiment we will use the light bulb filament as our object In this experiment we will use the light bulb filament as our object Use a lens with f = 127 mm et the object distance 80 mm a. Set the object distance o = 180 mm. b. Move the screen holder on the optical bench so as to get a clear image of the filament on the screen. Measure the image-lens distance i . c. Repeat the above procedure for o = 190, 200, 210, 220, 230, 40, 250, 260, 270, 280, and 290 mm. Lens holder 2.5 cm Screen holder o (mm) i (mm) 240, 250, 260, 270, 280, and 290 mm. Optical bench candescent bulb Incandescent light source i o (page 2)
The object- lens and image-lens distances and satisfy the equation: 11 1 oi = o hus if we plot versus the points lie n a straight line with slo

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Optics - MP3 Geometrical Optics PHY 152 In this lab you...

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