94.06: Which of the following syjofkkd e138h-r 6p*atatements about the speed of waves on a string are tru6 dfa8ok *1kjrh3ey-pe?
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 L hau*nmoy j)0.cms mass m and string H has mass 4m. If the speed waves in string L is v, the speed of waves in st. 0)nommy uj*cring H is

  07.44: A person vibrates the end of a4 mz h(l9si8zy string sending transverse waves down the string. If the person then doubles lz 9iyz h84ms(the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, g y2p5lzdd 82k9ja.d8cowx; hhas its tension fixed. A wave generator vibrates the str2 lwdg8.ax;zdhokcp d5j2 9y8ing 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 associatedjgi* )fvvco.o4:oi; x with a sound wave?

  95.04： A wave has a frequency of 50 Hz. Th *xs)w,3w fhdye period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 20pmvb 8/lax-z20 Hz. The period of oscillation would v mz2ax/pb-8lbe:

  01.38: The S-waves (transverse) and P-waves (lo/l((:a qj (s zenjbac2ngitudinal) produced by earthquakes travel at different speeds through the earth. S-waves traves((e2(zajbj/:na qc l l 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 Hz is knowjfrd5frvr mg:8;) 3t.8wntren 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 at j)er5w 8 ;mrvd :r ffrg.tt3n8an instant of time?

  13.24: Which one of the following statements best describes Huygens’s Principllh htyx xe)np 6nvrcm2a),/.* e?6 yl2n/,n)phvrh x mc*).atx e

  02.07: The diagram shows two water pulses which5ftt8 gm;3wp5/ziwcrtwz 5(d were originally produced at point A and are beginning torcp i8gw 3t zzw/ttd5(5 wfm;5 be reflected from a wide barrier as shown. Which of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequency of sound is doubled,(8wy rboi92 miq. 7g/+ uvqleozw+;v p the wavelength:

  99.27: Assume that waves are propagati i4ca+ l1gc,bsng in a uniform medium. If the frequency of the wave source b+ cli c41,gsa
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelength is 6r- qyd:e2 .ev imivd*approxima*-divy.e:ir6m2d qe vtely

  The graph below was produce by a microphone in front of a tuning fo* 3h5 iddlleq( 9oj,errk. It shows the voltage produced from t, ddll(iohe3j59*qer he microphone as a function of time.


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

  The graph below was produce b8cd ubbpary :l b.d;*1y a microphone in front of a tuning fork. It shows the v1. udp*8brbc ay:dl ;boltage
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 ofcnm pax5jd37q vod/kq/9 0nn: $1.2 × 10^{−4}\:m$ 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 quaugw7qh+()cno s bz,2x ntities given are in MKS units, x is position, and tc)sn , hzwoqxbg72+u( represents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadp1jmdsy)s2ewq6: 36j 2zn thqcasts its signal with a wavelength of 3.40 m. At what f26 )dtjs32: p1 yqqenzwjh s6mrequency is this station broadcasting?