94.06: Which of the following statements about the speed of waves on a string vaosz)b(oddj- o 9(a.are tru(d9- o( dbojas)ov.a ze?
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 lengtw5,2jgk(i2 v3rm knqvp/(gkk x 6 *epth. String L has mass m kv m2qkp3nrtxjk( e 6(2p*gv 5w i/,kgand 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 o+ s3dk(bpb:wl ,7tgvw jvx2 *string sending transverse waves down the string. If the personvp7x, dsk3 (bg2jtw+vb ol *w: then doubles the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both erp4oq0es bcff mramgt8r yho1x6o8544 :d)s0 nds, has its tension fixed. A wave generator vibrates tq fb00spod:rty r84m4)ace m go6h4 or 8x5s1fhe 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 sol/yrv gdrj a;e33v ,e+und wave?

  95.04： A wave has a lw)(*5l jnpm6lms p9zfrequency of 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency5j6a5rb,nw -ofiy1k( tihlz5 of 200 Hz. The period of oscillatiy( a15kb5lwohzj65i ,-t nf iron would be:

  01.38: The S-waves (transverse) and P-wave4dw t8forfr 2lxg6l6 8s (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 away must an earthquake be foo6tl6 r8rfwg 8xfld 42r the P-waves to arrive 2 minutes before the S-waves?

  17.07: A traveling sine wlv6i u,i-* grxave of frequency 3.0 Hz is known to move at 6.0 m/s on a string. Which one of the following figures best represents what a one-meter section of the string could look likegi,rux6vi *-l at an instant of time?

  13.24: Which one of the following statements best describes Huyge f ,6izcgthi.)ns’s Principle?6.)ftgciz hi ,

  02.07: The diagram shows two water pulses which were originally produtr3 r)n/0n )pitss bax j87t*nced at point A and are beginning to be reflected from a wide barrier as shtt x)* pb8ir0nn7/ss ta3r)jn own. Which of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of-cg67rux;: 92p :l ytl ruitpc sound is doubled, the wavelength:

  99.27: Assume that waves are propagat .shh8km6 .pjying in a uniform medium. If the frequency of the wavp6.j 8ksm y.hhe source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its -enrhp2 w qa(j5ez :+ saoj+b4wavelength is approximateljbjorhe2++ nqw5sz aae(4 :p-y

  The graph below was produce t.)lbhuj cafn3a) 62st3;mui by a microphone in front of a tuning fork. It shows the voltage produceac6sh ;buf )l3jut.3m) nia2 td from the microphone as a function of time.


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

  The graph below was produce by a microsf4e *)1yrwcqq8ydjhqa 5s:f +l1jf9phone in front of a tuning fork. It shows the voltf f1jq9w 4+qcq8e jyr:a s)sf*dh15ly age
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 f (*7:mpdeofug i rlzoqugx35 h5j0/:wavelength of $1.2\times {10}^{-4}m$ 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 yzeggjm c rzz+ 0.1a(7v = 3.0sin(2.5 x − 5.0 t) where all quantities given are in MKS units,rz 7v.0j1zc(zm+g eag 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 i s8 ih4s+2a3 t/lafxvp(nj.f 3.40 m. At what freqf38i( xins2/ a4fajvp+hlt.suency is this station broadcasting?