94.06: Which of the following statements aboulig 0;gt-3ovst the speed of waves on a string arv;o3ltg g -is0e true?
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. String L harwk5y(.eki,- wv w9z8a h+qj us mass m ah.yw r8-kqzjv5k(+wi9,u awend string H has mass 4m. If the speed waves in string L is v, the speed of waves in string H is

  07.44: A person vibrates the end of a string sendii)92hauul) 5 j;gtl//e (5fprvsg.n 8 gfciszng transverse waves down the str)c 8shvsl2/; l u/f.t55ig)jnpgaf ie 9gruz(ing. If the person then doubles the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, has its tensiixzsw8tn rf4*3 m w;+xf21l wkon fixed. A wave generator vibrates the sm3fz28twx1lf; w sni*r+ 4xkwtring 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 cz3qa;ghpdm8 .) flh nu2md)2wave?

  95.04： A wave has a frequency of 50 Hz. The peri ag//9gunfzwp(af: 6 mod of the wave is:

  04.04： A metal bar is vibrati +vf3p0ihh8m p .n,dt+, tqbchng with a frequency of 200 Hz. The period of oscill3 0f,chhq+ttp,+p dhbi8vm.nation would be:

  01.38: The S-waves (transvpzia90wbk+wmj)5-xe wq l :( gerse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel 5zaelmj:p)( -wkbqw+wg9 ix0about 4000 m/s, P-waves travel at nearly 7000 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 wave of frequency 3.0 Hz is known to move at 6.0 m/rnj ,q-eoyj7 qr c-;0is on a string. Which one of the following figures best represents what a one-meter section of the string couloj0c nrj ei-;qr7qy-,d look like at an instant of time?

  13.24: Which one of the fua/ v.exx,-d.l bpyh-ollowing statements best describes Huygens’s Principle?.. -vlxdhu,p/xyb- e a

  02.07: The diagram shows two water pul 0a j,l51s-mgqsj*xwxses which were originally produced at point A and are beginning to be reflected from a wide barrier as shown. Which of the points in the diagram would represent a virtual source for the reflected wa,smsx 1xg5-0 wa*jqljves?

  96.03: If the frequency of sound is doubled, t8tml-jmnuy r-9ls 8*ihe wavelength:

  99.27: Assume that waves are propagating in a uniform medium. If the 0su )h1vy1ov zfrequency of th vuov 1)yzh10se wave source
doubles then

  98.02: An observer hears a sound 2 t)zo22 f/ cpx. bqqv2htx88v8ntwl fwith frequency 400 Hz. Its wavelength is approximavq2 2b)vh/8z 2wxc8tltxn2 . fpq t8fotely

  The graph below was produce by 4tjs6ra6+ ueh a microphone in front of a tuning fork. It shows the voltage produced from the microps +64j uhtar6ehone as a function of time.


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

  The graph below was produce by a microphone in fron2 b+sg8tg4vu x nz7dpq:os9k3w3mew :t of a tuning fork. It shows the voltage k8 g vd u+4wxnpm2g::7esqw9t3 b3zos
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 y8dbjb, 2i( lfk9+hhewavelength 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 wavc- ;mx-an vc*ae has the form y = 3.0sin(2.5 x − 5.0 t) where all quantities given are in MKS units, x is position, and t represents time. What is the period of the wave (in second -a;vc-cnma*xs)?

  11.17: A new radio station broadcasts its sigs21v yl-js)x gnal with a wavelength of 3.40 m. At what frequency is this station broadc -ys2l)jvg1 xsasting?