94.06: Which of the followcl)1fff re0a7t4 -u h;7ke x;cry vm7ying statements about the speed of waves on a string are tufr v)7y41e7tmcfrk7hx y;; c0l-aferue?
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.wgn7s6g3wuin9u+2 wdoj,i: x String L has mass m and string H has mass 4m. If oi,un7nwwu: ji+wx g92sg6d3the 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 tranyk9ge6r5 -ku7acld a*qwc1j .sverse waves down the string. If tacd*weyq9ac 5r7-j1k 6g .klu he person then doubles the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clampwoqw1bcpv2 )0 ed at both ends, has its tension fixed. A wave generator v)0owpb2c vqw1ibrates 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 assocxptn6n+ k3c-q iated with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The period of the wave is;y ne obzti i f3w-.1+j.7lhzc:

  04.04： A metal bar is vibrati cfy;f ln4(0jpng with a frequency of 200 Hz. The period of oscillatyf0pcjn f4l(; ion would be:

  01.38: The S-waves (tra4w;mfzfy ujyfu 9fqbr *iy: ew;-:rkr(g w ,98nsverse) 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 7000 m/s, howf e( izmk9ffyw,f; qu:rw ry*b 9r-;8:4wyguj 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 *0dwfll2j vx 3pov0l. move at 6.0 m/s on a string. Which one of the following figures best rwol2j p.l fvx0l30*v depresents 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 describes Huygens2buwvxh q ta0zwnb84 :2u*h1k5qz; qq’s Principle?wzqaqtz0x2u; *: wvqkbbhu42h1n q58

  02.07: The diagram shows two water pulses which were originally prodav6ri5 ;vka l.uced at point A and are beginning to be reflected from a wide bar.;r a lk5a6vvirier 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, th;q(t7poe 7tr.fm7 uufd 8p.iwe wavelength:

  99.27: Assume that waves are propagating in a uniform mlhbqbzv7r*5: n sd-k :ax- f)vedium. If the frequency of the wave soxb*7 vanf5:b z qhvrk-s-) l:durce
doubles then

  98.02: An observer hears ;h3 erie7v fv)fk m lr(d ge67,kv*q(ea sound with frequency 400 Hz. Its wavelength is approximak e( er67)vefmqd*vve,f l (ikr3h7;gtely

  The graph below was produce by a microphone in front oepxyc e 7,.tp5f a tuning fork. It shows the py7x,pc.e e5 tvoltage produced 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 mqt1 q;7ha nf cqni.21cicrophone in front of a tuning fork. It shows the ;7aqnqf 2cq.tn11 chivoltage
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 wia 2giw2 sm)i t6v64bhl/,xj- h.a8ych2ccmkc th 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 has j cc-t*tgbr+ - z+kei6the form y = 3.0sin(2.5 x − 5.0 t) where all quantitieszk*-crc+tb- 6 gijt e+ given 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 signalol5 mv*i* oairj-7-exa; r :zx with a wavelength of 3.40 m. At what fre aa:- ;jm7ilrxrv*5oi e*xz-oquency is this station broadcasting?