ction, i.e. the angle of incidence equals theangle of reflection, and lies in the same plane with it. Abody which regularly reflects a large amount of light fromits surface is called a mirror. The smoother the surfaceof the medium against which these waves strike, the betterthe reflection ; hence… … Plane Mirrors. — Experiment 64. —Direct a beam of light into adarkened room through a small hole, and trace its course by dustparticles, then place a planemirror on a table so thatthese rays may strike it, asin Fig. 60, and note directionof the reflected rays. Witha protractor placed so thatits…
Physics
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