94.06: Which of the foll ru68 .yby,anyowing statements about the speed of waves on a string are tru y8,.yaunr6by 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 string H have the same tension p()+fzo9re d aand length. String L has mass m and string H has mass 4m. If the speed waves in strr fz( pd)eoa+9ing L is v, the speed of waves in string H is

  07.44: A person vibrates q*ob . 5vlg7at.h oxw 6 jud .twccaer-4,p):fthe end of a string sending transverse waves down the string. If the person then doubles the rate at which he vibrates thplt:6.fcdb5wxr hoqa.eu.wvc-j g t,)7* oa4e string, the speed of the waves

  11.23: A string, clamped at both ends, hcy0od+54dra 6 e0iq kvas its tension fixed. A wave generator vi rc0vo+d0 6e4dkiaqy5 brates 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 pv( 8w.it93 w hnot.tgassociated with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The period of the wxp7xlg qam1.b; (o 4hrave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. The period of oscil,k oghyw aw2zypqs9)q/-cpm)*xpq6-ni6* cc l 2m*q-,qky6*yzg-chq) p 6aspw )cpoi9/xwncation would be:

  01.38: The S-waves (trxw/t o5ygixyo r,dl/):t 4 sx7w ,5liransverse) and P-waves (longitudinal) produced by earthquakes travel at different speeds through the eo, ylwi:) xrrsgx5tw5t/do 4xl,y 7i/arth. 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 Hz is knn:p+zw2(p,vy6)+yqb sxl+q dbzmr67j. ael down to move at 6.0 m/s on a string. Which one of the following figures best represents wb p(l,n7 6zdmy)qxdaq sbz+:rw2 +6j+ e.vyl phat a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following st+;spxx2df3hj )+x ;eh q vh8rnatements best describes Huygens’s Principle?h+ n;2 sfjhe)xp xr; h+vqdx38

  02.07: The diagram shows two water p ii e:qwfx.p m4o+c)u+ulses 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 dia+.e )xic uf4pqiwo:m +gram would represent a virtual source for the reflected waves?

  96.03: If the frequency o yhn)4sw:/dnp8oho 6pf sound is doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform medium. If the frequ(yxu 48tk9vyque 9i5g, o u:luency of the wave sour9q,utgv9xe5 4 uy(kyu ui:l8 oce
doubles then

  98.02: An observer hears a1 vmvzgn)bf) 0z hj9z+ sound with frequency 400 Hz. Its wavelength is approxibg )nf0zvhz m1z j9)v+mately

  The graph below was produce by a microphone in front of a tuning *5ty ;9. ucq/t*xihraiart7 bfork. It shows the voltage produced from the microphone as a functi b**.yc5a9;a7uitq tht/ xrir on of time.


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

  The graph below was produce by a microphone in front of a 1 nu9n+x3awkmtuning fork. It shows the voltagw+1nuan k m3x9e
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 wavelengthw7 -t 3thhj)nbn -i8ys 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 − 5.0cm.-/jx-q 8 l1bp ,yow7 rtjrv t) where all quantities given are in MKS units crqy1op. lv,btxj8- -rm7jw/, x is position, and t represents time. What is the period of the wave (in seconds)?

  11.17: A new radio stak3)xjyj a29 uhtion broadcasts its signal with a wavelength of 3.40 m. At w 3juy jxahk)29hat frequency is this station broadcasting?