94.06: Which of the following statementsygc ;spbxztg; ,6 60u0 yuqoc5 about the speed of waves on a string are true b q0x6sutg6;p,ougcy 5;z 0cy?
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 t6s pe:5pdpn9 mension and length. String L has mass m and stri se:5pp69pmn dng 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 sending transverse waves down th* /utm:hnok-ue string. If the person then doubles the rate at which he vibrates the string, the speed ofouk mu/-t*n:h the waves

  11.23: A string, cla1isqi+vv7 tr8:7jqrxq,(vl r mped at both ends, has its tension fixed. A wave generator vibrates:xrrq(s +lt77v8 jqvivriq1 , the 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 mfujne11x /u4e7egp0 wave?

  95.04： A wave has a frequency of 50 Hz;)nexg f0qdsf .b1p+ f. The period of the wave is:

  04.04： A metal bar is vibrating with a frequencq ha0 vskvo4d 1q3m8v0r9k iq7s1eb e.twl.i4y of 200 Hz. The period of oscillation 9ows17 li4k.a3rq k.dheqv80t4mb0e1 q vs v iwould be:

  01.38: The S-waves (transverse) and P-waves (longitudinal) b/k0xr0 m:t: 4ws/qrely972qwtgji y,hl;dd 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 mus bl:s0gdjth 79:i4wqtkx0d2ermy/w y,;lr q/t 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 r/xs 5 dmv(a6mHz is known to move at 6.0 m/s on a6vd(m/x rm5sa string. Which one 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 statements best do 4y3 (lqss+t*hoevc1xr/u- jescribes Huygens’s Principle?o orj(u -t1lcsvs+ eyq/3hx4*

  02.07: The diagram shows two water pulses which were originally producs.wxh qkj.kl: 75+4z uhrh sl5ed 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 virts.5 rk:4k5 hs.xluh7 wh+l qjzual source for the reflected waves?

  96.03: If the frequency of sound is doubled, the wavelev wisepkqpv(waphjb ) 5un08h +o(y67/ws 6n(ngth:

  99.27: Assume that waves are propagating in a uniform med5j u3 wh-hicqr hjb:auw,:j.4 ium. If the frequency of the wave sourh u:b. aw3hh45cwrjj :qu,j- ice
doubles then

  98.02: An observer hears a sound with fg42m4p)rg7kt4 3l rk7a foyvif6w 5yurequency 400 Hz. Its wavelength is approximar 2 3) rwiy yfal6tgk474pfkgvumo5 47tely

  The graph below was produce by a microphone in front of h qe/io, 3xi7la:a(nf a tuning fork. It shows thn,fxo/(3h iqa:e7i lae voltage produced 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 micropho0/wmb)rkli a.y/ qpe*ne in front of a tuning fork. It shows th0l.ayw ep//im) b kqr*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 wavelel, hkds( yfy n( l(m3 1t,sa ug3(dks/e--jepangth 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 = 3.0si0r(i1vlwz*- q *oaxunn(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 wz-xqiv * (n0lur*1oaof the wave (in seconds)?

  11.17: A new radio station broadcasts its signal with a wavelength of 3.40 m.t3pum(2rnl l4m b,bx3 At what frequency is n,2x3b 4(rulp tmbm3l this station broadcasting?