94.06: Which of the following statements )n +bwsqse . zk8q3.a-bibk)5 h;njirabout the speed of waves on a string are tr sqw j8 -.bb)5.+asqk) bkze3;i nrhinue?
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. S).zwxg i8a h.ftring L has mass m and string H has mass 4m. If the speed waves in string L is v, the spea f)hzg8.i .wxed of waves in string H is

  07.44: A person vibrates thdfz-s- 0dti,n4gzi3s ) ds2mwe end of a string sending transverse waves down the string. If the person then doubles the rate at which h szd-sm4 3dd0z) t wnsig-2i,fe vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, has its tension fixed+ibf) 9f7zyq h;ll9ax. A wave generator vibrates the string with a frequencyl h;zxfl)bf9a 7+i 9qy $f$ 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 associa*m6wcl ze.i4 ated with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The period of 8+/ionybzk l 1a)) re94lnt 3nnvt-zlthe wave is:

  04.04： A metal bar is vibrating with a frequency of 27mqn2ncy:jv n bbfy-j0z 20 ,x00 Hz. The period of oscillati ,z0jfnyvbnc-:nyb7 2 j20xq mon would be:

  01.38: The S-waves (trans 67uump/q7t vphayp 22x:+ajo q2 tt4sverse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-waves travel at nearly 700a67jty+pt: qp2sx m 2o uav7up2t 4qh/0 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 known to move at 6t: b2 tv*f5;sxxbot 4c.0 m/s on a string. Which one of the following figures best represents wh5xtx t 2sf4v:b*cb to;at a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements bes tvf833 ;erg33odhgjq t describes Huygens’s Principle?3f gq 3jgdo h3tr;3e8v

  02.07: The diagram shows two water pul/ pc7oz) gdazw-p/ax* ses 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 virtual source fcppa7 xwzz* )/ odag/-or the reflected waves?

  96.03: If the frequency of sound is doubleix77i6ok;9 qf2 dtlhm d, the wavelength:

  99.27: Assume that waves are propagating in a uniform mn+1 ( 9u syrwxuog n wkg/+*:7rgq0gkx2*fg pxedium. If the frequency of tgwrq ng+gx2*+/ pgg y0s:k(9ukwux1nf ro*7xhe wave source
doubles then

  98.02: An observer hears a sound with frequ)jw/*f vq *ffbency 400 Hz. Its wavelength is approx j)*vff/bf qw*imately

  The graph below was produce by a microphone in frontqw l)9yuu ,f9g of a tuning fork. It shows the voltage produced from the microphone as a funcqul )uw99f, gytion of time.


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

  The graph below was produce by a micro sys 6(cc1:lgjpfq3-e phone in front of a tuning fork. It shows thcejcyq1l (-3sp: g6s fe 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 wavelz.w:;xf* (m t fjfcl2az -b9tnength 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 allij 2k/3w ,uznl quantities given are in MKS units, x is position, and t represents time. What is the period of the wave (inlu3jw/2 nkz ,i seconds)?

  11.17: A new radio station broadcasts its signal with a wavelength of 3.40 m. Atrn0a4 m nbpmm(p) 3vye.di b8(n ww+o4 what frequency is this station broadcaswrbm y.+aen8i(np4b (m )4 now3d0mvpting?