94.06: Which of the following statementsgxysobx9/pu1v6j02 nk0, tov about the speed of waves on a string are trux6 x tn /2ov109 k,vyps0jogbue?
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 has z 7jla0tj56ns+u+yps yk7da et :(o*smass m and string H has mass 4m. If the speed waves in string L is v, thed (u y5*j7sattaj7z+ l ns 0osk+:y6pe speed of waves in string H is

  07.44: A person vibrates the end of a string s)g2hro:j8+o zim bdx )m a6g1vending transverse waves down the string. If the person then doubles the rate at which he vibrates the string, the speed :x+i oom6dag1z8 vjmbgh)2r) of the waves

  11.23: A string, clamped at both endsrp(f f5kd f4ovm 2-fj+, has its tension fixed. A wave generator vibrates thvrf djfpo2+f(5 m4 fk-e 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/x /u ro;tt7 masjd/sa+f j;4v sound wave?

  95.04： A wave has a frr-g (tl0wg h(h,)9qosi(kmmgequency of 50 Hz. The period of the wave is:

  04.04： A metal bar is vixxg/s q67 s8sjcy2qe 1brating with a frequency of 200 Hz. The period of oscillation would beg68e2 s1jyssx7c /qqx:

  01.38: The S-waves (transverse) and P-waves (longitudinal) produced by earthqu( 4nilgu:np +xakes travel at different speeds through the earth. S-waves travel i+ un:gn4x(lpabout 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 freq1cx ,l5qjidb4 uency 3.0 Hz is known to move at 6.0 m/s on a string. Which one of the following fl, 4ji5cd1xbq igures best represents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the followin*78h tfgyjy+9ha7j2r j ) duxrg statements best describes Huygens’s Principle? r7yhx27fj98j +)td*jgrhy ua

  02.07: The diagram shows two water pulses which were originally produced at t)hx+ g id: up-5lyeg1point A and are beginning to be reflected from a wide barrier as shown. Which of the points in the diagram woul +lgtdpixyheu -1g) 5:d represent a virtual source for the reflected waves?

  96.03: If the frequen8ky.u0 +wgvc:o 9p3kjlntv z-cy of sound is doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform medii/ostzfh 5 y64um. If the frequency of6/z 45 stihfyo the wave source
doubles then

  98.02: An observer hears a sound with frequenci 2n:vb5wfd;zy 400 Hz. Its wavelength is approximateli d;zwnfbv 2:5y

  The graph below was produce by a microphone in front occ.(z tw..t otf a tuning fork. It shows the voltage prod.cwc.t (.tt ozuced 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 microphone in front of a r2tk 3zs 2 z4mohc.qh7tuning fork. It shows theh22s tqr.oz4k73 zchm 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 signald ,u(vcxij3.cl7z tk5 with 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 haar*4fqqsq5 hg5-zw jx h7 o-h4s the form y = 3.0sin(2.5 x − 5.0 t) where all quantities gij qrqwfhh-*4hs 5 74gaox5 qz-ven are 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 sijuiye/39.+gafv,wvu 80 ujwe1, nvfzgnal with a wavelength of 3.40 m. At what frequencfife/j 0jvg9u.vwuuz+3 ,e1a y8nv,wy is this station broadcasting?