Laboratory exercises to accompany Carhart and Chute's First principles of physics (1913)
Fuller, Robert W. (Robert Warren), 1871-1953, Brownlee, Raymond B. (Raymond Bedell), b. 1877 joint author, Carhart, Henry Smith, 1844- First principles of physics. [from old catalog] · Boston, Allyn and Bacon · leaf 176
age is formed on thisscreen. The formation of an image means that the raysof light leaving the lens converge. If an image is notformed, the rays leaving the lens are either parallel ordivergent. When the object is at the principal focus, whatis the direction of the rays leaving the lens? (Recall… … Fig. 61. formed. Look through the lens at the illuminated screenand describe its appearance. In this case ivhat do youthink is the direction of the rays leaving the lens? Explain,(e) Place the lens so that the object is at a distance oftwice the focal length. Place the screen at an equal dis-tance…
Physics
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