Phys 132 Fund Phys 2 Homework 13 Monday Mar 19 2007 Name Use these images to answer the following problems 1 In image A if the speed of the waves is 200 m s and the length of the string is 1 2 m what is the frequency f of the oscillation A 500 Hz B 160 Hz C 167 Hz D 250 Hz 2 A B C D E Which sketch represents the wave in a pipe with the left side open A B C D E 3 A B C D E In image B if the wavelength is 6 m what is the length of the string 2m 3m 6m 9m 12 m Page 1 The figures show standing waves of sound in six organ pipes of the same length Each pipe has one end open and the other end closed Note some of the figures show situations that are not possible 4 A B C D E Which figures do not illustrate possible resonant situations 1 and 4 2 and 3 4 and 5 5 and 6 4 5 and 6 5 A B C D E Which one of the pipes emits sound with the lowest frequency 1 2 3 4 6 6 A B C D E Which one of the pipes emits sound with the highest frequency 1 2 3 4 6 7 A B C D E Which one of the pipes is resonating in its third harmonic 1 2 3 4 6 8 If the length of the pipes is 0 500 m what is the frequency of the sound emitted from pipe 3 The speed of sound is 343 m s A 172 Hz B 344 Hz C 429 Hz D 515 Hz E 858 Hz Page 2 9 A 4 00 m long string clamped at both ends vibrates at 2 00 102 Hz If the string resonates in six segments what is the speed of transverse waves on the string A 100 m s B 133 m s C 267 m s D 328 m s E 400 m s 10 A rope of length L is clamped at both ends Which one of the following is not a possible wavelength for standing waves on this rope A L 2 B 2L 3 C L D 2L E 4L 11 Determine the shortest length of pipe open at both ends which will resonate at 256 Hz The speed of sound is 343 m s A 0 330 m B 0 670 m C 0 990 m D 1 32 m E 1 67 m Page 3