Wright, Mark R., 1854- · London : Longmans · leaf 79
Fig. 53. the normal, then the other tube must make the same angle. Thesound-wave which travels down one tube is reflected at c. A watchmay be substituted for the taps and the ear for the sensitive flame. Sound is reflected similarly to light (p. 94). The angle ofincidence is equal to the angle of…
Physics
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