94.06: Which of the following statements about the speed of waves on a stringe ,xj :i3a 5f il0om226rlkjjz are tr2i ,fio r2k63e:jzmjj ll 0xa5ue?
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;k sfks13/8k z/dlj ep6ccc+z tension and length. String L has mass m and std l/+ sk p8e/fz3c6jcskzc;k 1ring 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 sev+ ps 0(kw)sptnding transverse waves down the string. If the person then doubles the rate at which he vibrates the string, the spe s+kp0( tv)pswed of the waves

  11.23: A string, clamp :gb0 su5ovju9ed at both ends, has its tension fixed. A wave generator v: ujv9ubgo05 sibrates 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 so+bu .jw-h3h w5n lm- hmn r7(eyx4n4wrund wave?

  95.04： A wave has a frequency of 50 Hz. The period of b+edi6* g.gew the wave is:

  04.04： A metal bar is vibrating with a frequency o;ld4dr4s xdy8llu (q3: idi )af 200 Hz. The period of oscilla:rdd(4;au 3yxldd l8 4q) silition would be:

  01.38: The S-waves (transverse) and q 3qh qmxtq4(8P-waves (longitudinal) produced by earthquakes travel ahmt84x 3(qqqqt 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 before the S-waves?

  17.07: A traveling sine wave of frequency 3.0 /8du)c xz3d riy*;+xkqbsx o; Hz is known to move at 6.0 m/s on a string. Which one of the following figures best reprxc + rosdbd y;8;*u3ik /)xxzqesents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statejc. *n-gh 7gzjments best describes Huygens’s Principle?njg.7z c* hg-j

  02.07: The diagram shows two wate( do 6r:d 7fq4hnnl)evr pulses 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 764lhqr (endvfo): ndvirtual source for the reflected waves?

  96.03: If the frequenc)vmo ( xm9pdj*igfi9 4y of sound is doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform medium. If the fgv4 3wf j6+yaax3 8ps)5buid mrequency of the wave source m83 6ig+dya43ju 5s) p vwbfax
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wav s(a(xnxa)ff7elength is approxxf ana )fs(7x(imately

  The graph below was produj*ri8*e7n;3 i4gbv ft nml .fbce by a microphone in front of a tuning fork. It shows the vv;*tef8.bgn7j4*lifn b3 r imoltage 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 microphonxd 1ii c*gz4c9o2m-pik(n5gitm d ,(f e in front of a tuning fork. It shows the vg1mp xz 2,oicdtdmc-k5 i f4ni9gi(*(oltage
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 wav7y4 fgr0p .8/i rcqxkk /+keak:6au tfelength 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 q;l2i1d : wsbqtuantities given are in 1tib2qd;s:wl 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*v*o)b ew z.vq wavelength of 3.40 m. At what frequency isz. ev)b*qwv o* this station broadcasting?