1. An optical lever is a convenient device to magnify a small displacement, making possible an...
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1. An optical lever is a convenient device to magnify a small displacement, making possible an accurate measurement of the displacement. The plate P carries a mirror. The mirror mount has two points resting in a fixed groove, F, and at the other end has a point resting on a flat surface whose vertical displacement AL you are measuring. A horizontally propagating laser beam is reflected from the mirror and its vertical position y is measured with respect to the original beam direction. If AL 10 m, d= 10 cm, and D 1 m, what is the value of y? Laser Scale Minor AL 1. An optical lever is a convenient device to magnify a small displacement, making possible an accurate measurement of the displacement. The plate P carries a mirror. The mirror mount has two points resting in a fixed groove, F, and at the other end has a point resting on a flat surface whose vertical displacement AL you are measuring. A horizontally propagating laser beam is reflected from the mirror and its vertical position y is measured with respect to the original beam direction. If AL 10 m, d= 10 cm, and D 1 m, what is the value of y? Laser Scale Minor AL
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Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
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