The X Rays (Classic Reprint) - Softcover

Thornton, Arthur

 
9780282417703: The X Rays (Classic Reprint)

Synopsis

Excerpt from The X Rays

In describing vibrations we shall proceed from the slowest to the quickest. The slowest we shall deal with are sound vibra tions. A steel spring fastened at one end can be made to vibrate by plucking the free end. Its vibrations>z< are, say, 4 or 5 per second. It produces no sound. Shorten the steel spring until the vibrations are 20 per second. A low musical note is heard. Shorten the spring again, its vibrations are still more rapid and we hear a note of higher pitch. In each case the vibrations produced in the air are similar, but our ears cannot hear vibrations whose rate is slower than about 16 per second. The long, slowly vibrating rod produces vibrations which may be called inaudible sound - inaudible because they are too slow.

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Other Popular Editions of the Same Title

9780483292338: The X Rays (Classic Reprint)

Featured Edition

ISBN 10:  0483292338 ISBN 13:  9780483292338
Publisher: Forgotten Books, 2018
Hardcover