94.06: Which of the following statements about the speed of waves*)xivpv)+;amv2p2y-f 1 p mugb8n g np on a string are true?*n b+2u-1aip)nxv 2pp y)8gmfp v;mgv
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 i,7yu+/vh*f ace4cqd L has mass m and string H has mass 4m. If the speed waves in st ich,af*7 yeq vud+4/cring L is v, the speed of waves in string H is

  07.44: A person vibrates the end of a str6*rr4)r y rj lv u/(qtn;q+mjcing sending transverse waves down the string. If the person then doubles the rate at which he vibrates the string, the speed of (l qvmu )j;rnrj 4*t 6rqry+/cthe waves

  11.23: A string, clamped at both ends, has t we8k2w(6*tej2wk8 nr fvm:cits tension fixed. A wave generator vibrates the st8cenmwerkt 8(w6 :* f2jvkw t2ring 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 w6wfgs.0 /h(le r .swytith a sound wave?

  95.04： A wave has a frequency of 50 Hz. The period of tjt3u+r fyb;)xxo k7w9he wave is:

  04.04： A metal bar is vibrating witnxsr8 ,)yl.3 l0paiiwh a frequency of 200 Hz. The period of oscillation would na0.rl) 8xl i,iw 3yspbe:

  01.38: The S-waves (transverse) and P-w p(ci en*2*bs(g4swa paves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-waves travel at nearly 7000 m/s, how far* i ps4nwsacp*b2(ge ( 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 Hzig5 m+sd enj-2v7y0wm is known to move at 6.0 m/s on a string. Which one+wesmm2 gjv0yd7-5 ni of the following figures 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 statemehhdi 1s:1jrrzb4 x mvq1.26-fl c( gwvnts best describes Huygens’s Principle?dbv6 lms4r1 v121rhcw xh:giz(q.-f j

  02.07: The diagram shows two water puls47qr43e rv4l1n l(o3kbw lfvmes 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 source1fer3 bnk(v m4llv743qw ol r4 for the reflected waves?

  96.03: If the frequency of sound is dw5 nbzcim8tzt9w :g;6 ;up;g qoubled, the wavelength:

  99.27: Assume that wtws:+gp7x 4vl3 r:+h*dv*sdex dv.gc aves are propagating in a uniform medium. If the frequency o pg+dc xlxs3w7h:d. t*e*s vd+gv:rv4f the wave source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its w, ryw j4ns,vae ev836zavelength is approx6s8yevr , e3 vznaw,4jimately

  The graph below was protw; bcapz01v8: +zg ksduce by a microphone in front of a tuning fork. It shows the voltage produced from the microphone as a functi8: vpc0+bz t; 1gzsawkon of time.


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

  The graph below was producv tc u1fh-j8. iur6y3we by a microphone in front of a tuning fork. It shows the volta tfcv.-6uj8 yri 31huwge
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 wavelength o -eci(4 b ,-lkx zjcz-tv)uxu-f $1.2 × 10^{−4}\:m$ 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 fox 5v 9+f:blq av /i1)lwtsmav4rm y = 3.0sin(2.5 x − 5.0 t) where all quantities given a1xli5:sqltv4abvv/+m 9f) w are in MKS units, x is position, and t represents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcasts its signal with a wavelength of cv5h ,lg7mefys,y l (ngh6+1s3.40 m. At what frequency is this ,,yysgh6h 7 l1 5n+legvmf(csstation broadcasting?