A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 54
s of light, it will be RADIUS OF CURVATURE. 43 well to have the holes in the paper very small, and to takegreat care to have their edges neatly cut. Note on the construction of images. — By an extension of thetheory given in the two preceding experiments, we may find theposition of the imageof an… … Fig. 33. = —, so Q, the image of Q, given by the formula \-- . must lie on QB and be given by the relation 1 =-?-. 8 y QB QB BC By joining Q and P as thus found, QP will be the image of QP. From the above explanation it will be readily seen that QP, will not be quite perpendicular to either PH, or…
Physics
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