n when placed to coincide with it cannot be seen.To avoid this difficulty a narrow horizontal strip of thesilvering is scraped off the centre of the mirror, thus forminga small transparent portion through which the pin can be The mirrors which are frequently used for decorativepurposes by shop… … Fig. 74. 102 LIGHT. [CH. V 61. Measurement of the radius of a mirror. EXPERIMENT (17). To verify the formula - + - = - con-necting the positions of an object and its image formed byreflexion in a mirror, and to find the radius of the mirror.(a) Case of a concave mirror producing a real image.Place…
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