hand of the observer. Or again, hold up your right hand before a mirror with thepalm facing the mirror, the image seen is a left hand. Notethis by holding the left hand against the mirror with its palmtowards your face. Write your name in ink on a sheet of paper and while the 40 LIGHT. [CH. Ill ink… … Fig. 23. 30. Reflexion at two or more plane surfaces. If a ray of light after reflexion at a plane mirror falls on asecond plane mirror it is again reflected according to the samelaws. In finding the position of the image formed by thissecond mirror it must be remembered that the light whenincident…
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