Gilley, Frank M · Boston, Allyn & Bacon · leaf 282
low the motion of thereflection as the mirror is turned through a right angle (90°)to the position Jfj. Which moves faster, the reflection or themirror ? In turning the mirror through a right angle, whatangle does the reflected ray go through ? 305. Location of an Image by Shadows. —Arrange a… … 241, place tallpins, as nearlyvertical as possi-ble. Look at theshadows the pinat B appears tocast. One, whichmay be calledthe direct shadow,goes to the mir-ror and is re-flected in the pathBCD. Do not consider this at all, but trace on paper the othershadow, BE, which appears to be caused by a…
Physics
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