94.06: Which of the following statements about the speed ofdppo pg9b;esk-;pr )99eh e)v+b hr 4u waves on a string arpsv;h)e u;99+p perprbdb9)-4k ehog e true?
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 hashfsuh9e j:3*.fl3yg e mass m and string H has mass 4m. If the speed waves in string L is v,yleuhs 9.f 3jh*e3gf: the speed of waves in string H is

  07.44: A person vibrates the end of a string s 9y hn2*qgxod1ending transverse waves down the string. If the person then doubles the rate at which he vibrates the s*qx1 9oy hdgn2tring, the speed of the waves

  11.23: A string, clamped at both ends, has its tension fixed. A wave generatn sxb q*4h3 ums6a1f;vor vibrates the string with a frequen4xmbn f6*3q ;sh 1vsaucy $f$ 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 assoctw0wd h+ 9der 8a*x;dgiated with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The pfpc (d:9+v bz bpfs.f1eriod of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. Thf +jtq h:6in3zx+np fqvkgw))ir qsti 9/67w+e period of oscillation would be+t fwgh 6iqk 6:+ nvspqzf)9)n j+37tirxw/qi :

  01.38: The S-waves (transvepssaq.5oy0/ma1vvjr5 h4 *;nt - jqas rse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-waves travelss/jn- q*oh.yr1s aapatj5v54m q;v0 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 wa4-/ xdm0p7 g* zkbalmtve 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 0 tp74d*l k/abzm -xmgwhat a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements bb)13ok7ubb w; cev7zd est describes Huygens’s Principle?uc1zk ebb37ovbw 7); d

  02.07: The diagram shows two water pulses which were origwv ztkye)(9g kay:8 ;iinally produced at point A and ;( a i yye:9wk8gvtk)zare beginning to 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, the waveleu x6lsaxlkt4ww 0, )7gngth:

  99.27: Assume that waves are propagating in a unifogincz/i ,iag2d y6)k4rm medium. If the frequency of the wave source)4 2gk,c nygiizdi6/a
doubles then

  98.02: An observer hears a sound with f,pg clr;p9 7xarequency 400 Hz. Its wavelength is approximatep;ap ,gc9r l7xly

  The graph below was produce by a microphone in front of a tuning forkd y 0dha2ix k8.t-tm e-b.(pjp. It shows the voltage produced from the microphone as a function ofp. m i-ytdep.t802(dh-kxj ab time.


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

  The graph below was produce by a microphone in front of a tuning fork. It ip ry8*,wlcs. shows sw ly8i,cpr. *the 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 o-cub/uw0 6/w v .rk.7i fywlgwith a wavelength 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 /6 qjyr7f+ya7fc4o4y feot9z 3uf 5sry = 3.0sin(2.5 x − 5.0 t) where all quantities given afye73quj4 z 9yt7rr+/sf5fyfoo c4 a6re in 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 wh4 6e5 qsyxaj,,apz) signal with a wavelength of 3.40 m. At what frequency is this st q4 z6a5j)a hwxp,eys,ation broadcasting?