94.06: Which of the followi tjz 8eq:k4r2v4o cj9ung statements about the speed of waves on a string are84eto2: j ku4c 9rvzjq 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 + f7 em 6sq ib2wirgw0)9/zztfstring H have the same tension and length. String L has mass m and string H has massfe s7m2qwztg/ i+60iwf 9zb r) 4m. If the speed waves in string L is v, the speed of waves in string H is

  07.44: A person vibrates the end of a string sending transverse waves downms s5 7 q;o// g)0vjxgsh7b32ktqqnxe the string. If the person then doubles the rate at which he vibrates the sq32 s7ne sx7qm s5x/o )0;hv gq/tkbjgtring, the speed of the waves

  11.23: A string, clamped at bothik)5(w kigiv95g 2jt z ends, has its tension fixed. A wave generator vibrates the str w 9)gkivi(k2giz5t5 jing 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 associathkx4ujga34wu xk 8 9i:g- igr.ed with a sound wave?

  95.04： A wave has a ff0 h3k)9e9p qazgg*hhrequency of 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequena c)e.i a02qh wn x6ht-:ocye6vho1)i cy of 200 Hz. The period of oscillation yt1)e6ace2c0 .n6:oiiv)h-hqhwoax would be:

  01.38: The S-waves (transverse) and P-waves (longitudinal) produced by eart/tk+btsao g2q. 0* gynhquakes travel at different speeds through the earth. S-waves travel about ts b*+ a0gk/gy2nq.ot 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 wa6z p:qyb;y/ 9,bdtxbl4n4ta ave 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 what a one-meter section of the string could look like at an y/ttb 9aaxblq bzp,nd y;:464instant of time?

  13.24: Which one of the foll7r 1g y)iar4laowing statements best describes Huygens’s Principle? rl7i)4g1raa y

  02.07: The diagram shows twoyliyep)5a+p 6isis4 i 6r 3q(u water pulses 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 for the reflected i6 (5yesip4 yu6s)3l iriaq+pwaves?

  96.03: If the frequency 2bbrf4pcy ,e+ skz /egke ,s3(of sound is doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform medium. If .csmj- wi u7b;w4xn 0o3eb-y y dl:sh3the frequency of the wave-4nhdme slxus.jwb c3w 0 bo:; -yi3y7 source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelength is apprgzfmj)1nflr 6s 4(e6vt6a d7 coximat f)jgm esftld164vn 6c6(z7ra ely

  The graph below was produce by a microphone in front pjcem6qxr29+ of a tuning fork. It shows the voltage produce9 r2p6+xqjmced 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 tuning fork. Iaclzj a1ryxs. gh-; +x9tg6u iw;p-8xt shows the voltagexy96 .hl81 t-;aga;rwc+s j-x xp iugz
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 o+0.k)b boz.rml* el oyf $1.2 × 10^{−4}\:m$ 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 − fklj*7, nxbc15.0 t) where all quantities given are in MKS units, 1*f,c 7xj bknlx is position, and t represents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcasts its signal wi.sk 5gdzz+sx* zv vgq:fy4r**th a wavelength of 3.40 m. At what frequency is ty*sd*+x:5* k zsf.v rg qvz4gzhis station broadcasting?