A laboratory course in experimental physics (1896)
Loudon, W. J. (William James), McLennan, John Cunningham, joint author · New York and London, Macmillan and Co. · leaf 48
ves the other reflectedbeam, and again note the reading.The difference between these two readings is twice the angle of the Fig. 29.crystal. From the theory the student will readily see that great care must be taken, if reliablework is desired, to have the edge of the crystal placed accuratelyover… … 38 EXPERIMENTAL PHYSICS. It is also desirable to choose a part of the edge for the lightto fall on which has the smallest number of flaws in it, or elseit will be difficult to take the telescope readings with accuracy. Method II. Theory. — In Fig. 30 AB is a beam of parallel light incidentupon the…
Physics
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