# HANDBOOK OF ACOUSTICS - online book

### A complete view of Acoustical Science & its bearings on music, for musicians & music students.

 EXAMINATION PAPERS. 295 AntŚ 1st, f"# 2nd, f'ú. Approximately. 3rd, f"ú See p. 134. 10. How arise Beats P ^l»s ŚSee pp. 144, 145, 146. 11 (a) What is the nature and object of Equal Temperament P (b) Are there other Temperaments ? (c) And what is tempered ? AnaŚ{a) See p. 238, &c. (J) See p. 233. (c) See p. 232. Mus.Bac, Edinburgh, 1899. 1.    State what you know about the velocity of sound in air and other media. Ans.ŚSee pp. 20 and 21. 2.    What are the respective causes of Noise and Tone? Ans.Ś See p. 2. 3.    Explain what is meant by the words Length, Amplitude, and Form in connection with sound-waves. Ans.ŚSee p. 22. 4 Name the 6th, 8th, and 10th Upper Partials of the tone A\j. Ans.Ś(6th) Approximately Gb, a little natter. (8th) Bb. (10th) Approximately Db, somewhat sharper. See p. 72. 5. (a) Which is the interval above or below a tone that blends with it most readily ; (b) and which is the interval that comes next in this ree pect P Ans.Ś(a) Octave ; (i) twelfth. 6 If the tone C" is produced by 528 vibrations, by how many vibrations are produced the tones of C"", G, a1 and b flat? Ans.ŚC"" = 528 X 2 X 2 = 2112. G = 528 X | X ú = 66 X 3 = 198. a< = 528 X I = 88 X 5 = 440. 8 1 2112 bflat= 528 X g X g = ~ = 234f See Chapter V. 7.    What is Helmholtz's Theory of Beats ? Ans.ŚSee p. 144, 145, 146. 8.    How many kinds of Combinational Tones are there? What are their names P Give some examples of them.