Phillips, Percy · London : T. C. & E. C. Jack ; New York : Dodge Pub. Co. · leaf 84
ly refusing to allow it in theopposite direction. The two Nicol prisms in Fig. 47are placed so that the directions of vibrations whichthey will transmit are at 45° to each other, saythe directions OA and OB in Fig. 49. First pass thelight through the Nicol which transmits vibrations OAand then turn… … 82 THE SCIENCE OF LIGHT Nicol. We know that the vibrations must now be inthe direction OC perpendicular to OB, i.e. they havebeen turned through 45° in the direction of the arrow.Now pass the light in the opposite direction. The lightwill enter the substance with its direction of vibration,OB. On…
Light
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