94.06: Which of the following statewto.upuc/44;f z v,in3b j7 suments about the speed of waves on a string are true?i4/u o3 szcv4t,pbunwfj7. u;
I. The speed depends on the tension in the string.
II. The speed depends on the frequency.
III. The speed depends on the mass per unit length of the string.

  97.23: String L and string H have the same tension and length. Sdl;q)+:47osr tx*v m3awds outring L has mass m and string H has mass 4m. If the speed waves in string L is v, thd 3o4r qlstm7uoas dv;*)w :+xe speed of waves in string H is

  07.44: A person vibrates the end of a string sending transversey,pef-4.i )toj 3t7 e1j3owrfjx m.hu waves down the string. If the person then doubles the rate at which he vibrates the string,eypm j.fj j7rexo143-thft.i )u3,wo the speed of the waves

  11.23: A string, clamped at both ends, has its tension fixed. A wave gj p:6,n:ke88 olbixqqenerator vibrates tp88x6,e n q oqjl:bki:he string with a frequency $f$ producing waves of wavelength $\lambda$ which have speed v. The frequency of the wave generator now is doubled to $2f$. Which one of the following choices best describes the new values of the wavelength of waves produced and the speed of the waves on the string？

  95.01： Which is not associated with a sound wavw)tube9 :fjca8 mi6q2e?

  95.04： A wave has a freque+ wte ayt: acns(-fac8aor869 ncy of 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency of+cpr)afs6 x4 -zsru b0 200 Hz. The period of oscillation would bbzrc+uf- )4rssp 6x0a e:

  01.38: The S-waves (transvei9+ax prmag -9pn/*tfrse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-waves travel at nearly 7ifm+r npp9-aax* gt /9000 m/s, how far away must an earthquake be for the P-waves to arrive 2 minutes before the S-waves?

  17.07: A traveling sine wav jde.:hf*5e jj7mlx5 le of frequency 3.0 Hz is known to move at 6.0 m/s on a string. Which one of the following figuxe mj*j5. hlel dj:f75res best represents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements best descr ug v68a7:knizibes Huygens’s Principle?vg:uazi78 6nk

  02.07: The diagram shows two water pulses which were originall x0m px0qi(t4nt.x3,arncyy+ y produced at point A and are beginning to be reflected from a wide barrier as shown. Which of the points 4x nx pyti,+aq0m3nxcy(t. r0 in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of skrs/7 h ,tizrda:n:3m- 6wszfound is doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform medium- 0xweaao*w3b y;6gj 2lg1ndu . If the frequency of the wavewlj6g dy3n1-a0*ge;bwu o xa2 source
doubles then

  98.02: An observer hears a sound with frequency 40pg: pll a/ ,d*b9)nch:bnx4h kw6bc*o0 Hz. Its wavelength is approximate,bxanl::9 )knb d6bc cp4wgo*p*h lh /ly

  The graph below was produce by a ml8j1k+d tuu;cicrophone in front of a tuning fork. It shows the voltage produced from the micropc8 u+ju1l; ktdhone as a function of time.


04.18: The frequency of the tuning fork is (approximately)

  The graph below was produce by a microphone in front of a tuning for1,cv n5sfkd .dk. It shows thkcvd1.dnf5 s,e voltage
produced from the microphone as a function of time.

04.19: In order to calculate the speed of sound from the graph, you would also need to know

  06.28: A radio signal with a mg()u:+l;;u( jop,njx3e q cyo)zmiowavelength of $1.2 × 10^{−4}\:m$ is sent to a distance asteroid, is reflected, and returns to Earth 72 hours and 48 minutes later. How far from Earth is the asteroid?

  08.46: A traveling wave has the form y = 3.0sin(2.5 x − 5.0 t) wui+1x i tyhpx9qbc51 iz iv-;7here all quantities given are in MKS units, x is position, and t represents time. What is the period 5 1c; uqzhbiy1+pi- 79x xiitvof the wave (in seconds)?

  11.17: A new radio station broadcasts its signal with a ay 3 5d0*ulqm bi)n+pm-rgcd3wavelength of 3.40 m. At what frequency is this station broadcasting?m )l mng5ib+uq-*0r 3dyp3d ca