94.06: Which of the following statements about the speed of wan fwtomh5 +15wves on a string are tw5nho mt 5w1f+rue?
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. Stg .nkb8(tp j7nring L has mass m and string H has mass 4m. Inj kb(p7.n8g tf 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 stringxe t6t( a 11dz5wy9ynf sending transverse waves down the string. If the person then doubles the rate at which he vibrates the string, the speed of the wnxf y6d(1tteyz915 wa aves

  11.23: A string, clamped at bon wexu/m7a:(i th ends, has its tension fixed. A wave generator vibrates the string with(na/ mx: 7euwi 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 sounrj .+kv;jhafp:h ;kstd;vi*nd 2 +yz ;d wave?

  95.04： A wave has a frequency ow h 6t8pqhun1u.hpb; (f 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating withmxt73i7i 5fsy w34d zf a frequency of 200 Hz. The period of oscillation dy4mif zif7w5xs73t 3 would be:

  01.38: The S-waves (transverse) and P-waves (longitudinalw3yisgx ug,(.) produced by earthquakes travel at different speeds through the earth. S-waves travel about 4000 m/s, P-waves travel at nearly 7000 m/s, how far away must .,3gwu(xis g yan 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 movh zgy(auq1n 1+xa6 *wje at 6.0 m/s on a 6gqaxa wuhn yzj(+11 *string. Which one of the following figures best represents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements best m;pq k-my(vw:prh x5 (describes Huygens’s Principle?;qphmw(v p(5m-x:kry

  02.07: The diagram shcxf5d ei7/e n qx*,z ae-15dmfows two water pulses which were originally produced at point A and are beginning to be reflected from a wide barm d7az5xfxef/q-,cd*ne e5 i1rier 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 waveltrvezw1*u4 )zength:

  99.27: Assume that waves are propagating in a uniform medium. If the frequency h-,:wfihj tx +of thetw xh,i- hfj:+ wave source
doubles then

  98.02: An observer hears ne-v1ok, (h kwfowc)by 6k45 na sound with frequency 400 Hz. Its wavelength is approxim 4 -f(k1cok wv)hbyw no5k6,enately

  The graph below was produce bvdk :vsc4m2,-wx//ips l,rib0fy8 dgy a microphone in front of a tuning fork. It shows the voltagi,l, r wgki ds-0b/p4y/ vsvf8dm:2cxe produced from the microphone as a function of time.


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

  The graph below was prmwnd;z2 k kv i;r)bym5:fqt+7 oduce by a microphone in front of a tuning fork. It shows the voltagei; f2nqdt 7:;+k rw zby5kv)mm
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 osj.ybt zb9 h/:f $1.2 × 10^{−4}\:m$ 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 = 3.0)iy4la kp1k y5sin(2.5 x − 5.0 t) where all quantities given are in MKS units, x is position, and t represents time. What is the period y liy5a 1k)pk4of the wave (in seconds)?

  11.17: A new radio station broadcasts its signal with a wavelength.nlp51d:hy:oljn5 r j of 3.40 m. At what frequency is tohp5y:d1:j rn ljn5l.his station broadcasting?