A Laboratory Course in Everyday PhysicsMacmillan, 1931 - 205 σελίδες |
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Σελίδα 274
... sound very distinctly . This illustrates the fact that sound travels through liquids . If a long piece of wood is held against the 274 CHAPTER XXVIII SOUND • How sound is produced Nature of sound waves Noises and musical sounds Pitch.
... sound very distinctly . This illustrates the fact that sound travels through liquids . If a long piece of wood is held against the 274 CHAPTER XXVIII SOUND • How sound is produced Nature of sound waves Noises and musical sounds Pitch.
Σελίδα 275
... sound is heard very distinctly . Also , if a spoon is suspended from a string and the end of the string is wound around the finger placed against the ear , the sound heard when the spoon is struck is very dis- tinct . These illustrate ...
... sound is heard very distinctly . Also , if a spoon is suspended from a string and the end of the string is wound around the finger placed against the ear , the sound heard when the spoon is struck is very dis- tinct . These illustrate ...
Σελίδα 277
... sound , and I = the length of the sound waves produced by this source , then : ບ - n Noises and musical notes . The difference between noises and musical notes can be illustrated as follows : If a card is held against the teeth of a ...
... sound , and I = the length of the sound waves produced by this source , then : ບ - n Noises and musical notes . The difference between noises and musical notes can be illustrated as follows : If a card is held against the teeth of a ...
Περιεχόμενα
CHAPTER | 1 |
CHAPTER II | 13 |
CHAPTER III | 20 |
Πνευματικά δικαιώματα | |
16 άλλες ενότητες δεν εμφανίζονται
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
amperes appliances armature atmosphere B. T. U. of heat bell body boiling point Boyle's law British Thermal Unit calories carbon centimeter coil cold water compressed convection cooled copper cubic cylinder Daniell cell density diagram direction distance dynamo electric current electromagnet electromotive force engine equal evaporation example exerted expands experiment fire flask foot pounds force arm fruit press fulcrum gases glass gram hot-water induced current iron jackscrew Joule's law lamp latent heat Leclanché cell lens lever lines of force liquid magnetic lines measure mercury metal meter molecules motor moves north pole object Ohm's law ohms Pascal's law passes pipe piston placed plate poundals pressure produced radiation rays resistance screw shown in Fig sound south pole square inch steam stove stroke substance surface tank temperature thermometer tube turned vacuum valve velocity vibration volts volume warmed watts waves weight arm wire