94.06: Which of the following statements about the speed of - efcc88cqcd b3iwm +/6x3i-p ny lb(ywaves on a string are truy cmdqibx8 e/- l3wyfc3(ci b6-ncp+8 e?
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 str.v2p1mexw.h fqrej 5 ;ing H have the same tension and length. String L has mass m and string H has mass 4m. If the speed waves in string L is v, the speed of waves in string Hhwe.e ; qmxf jr.51v2p is

  07.44: A person vibrates th 2;*i*u hfi.ojmaf irz(ihz)bl31 k.ne end of a string sending transverse waves down the string. If the person then doublesk mi(ij 3r)z.fi*hliu;z.h*ab 1 fno2 the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both endf93 zo7jjg8l i85pgdo+dkj 3ts, has its tension fixed. A wave generator vibrates the string withktz+jif38 g38odl9 5p g7jd oj 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 rb1w) r3mjkt: a sound wave?

  95.04： A wave has a frequency of 9yae ckk73gnmahg3 sz e6;w+.50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. The 6y-alm j1 i(c-1fr , 8i2 cfu pn9burqhr2xsw9period of oscillation iwfl( 1f-8xsrcrqj1 9 2mrc-p u,bya2h6 ni9u would be:

  01.38: The S-waves (transverse) and P1:ex0;ce- qw)yslz;t7i o tus-waves (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 for the P-waves to arrive 2 minutes beforet-o yx)zts107s ;eu ic: w;qle the S-waves?

  17.07: A traveling sine wa; btf0lx 4k43nx*l ohave 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 like ;xf*h3ta bo4n0lxl k4at an instant of time?

  13.24: Which one of the following statements best describes Hd/*diuc 5ug9xs7kl4 u)ga(zbuygens’s Principle? 9(gsbxk7uadgzc/ i4u5) ldu*

  02.07: The diagram shows two water pulses which were originae8;h *fgc w d5dpvdw59lly 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 9pd5dwd8hef5w g* ;cva virtual source for the reflected waves?

  96.03: If the frequency ofe+q.scolnxc l ( /9qd5 sound is doubled, the wavelength:

  99.27: Assume that waves are propvtp1dnpz73:z agating in a uniform medium. If the frequency of t:nppd 317zv tzhe wave source
doubles then

  98.02: An observer hears a sound widh*jora p4y xyp* .fw5cv:/ t2tz, 2imth frequency 400 Hz. Its wavelength is approxima jppi.**2m f4w2y atyhd rt cv:5,x/zotely

  The graph below was produce by a microphone in z5 to2ntevb25 front of a tuning fork. It shows the voltage produced from the microphone as a function of timvotnz 2 2tbe55e.


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

  The graph below was produce by a micropqcalfiq5d+wl2 5qf: )hone in front of a tuning fork. It shows the voltacqif a2lw)+5f q q5ld:ge
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 waveleng/ gdor-4 q2imdth 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) where all quantrg iswv-p1 j2w4wxc*ca p37x;ities given are in MKS units, x is position, and t represents time. What is the period sxipp3cv4acw7w;wg1xr-*j2of the wave (in seconds)?

  11.17: A new radio station brllq13e r 0crow5f*it55k rhz kq( +hi9oadcasts its signal with a wavelength of 3.40 m. At what frequency is this station broadc tq 5l*kqzi(5ihc 5w+1lrrefrh3k0o9 asting?