94.06: Which of the following statements about the speed of waves on a szs2e0ual ht y6d5* *pstring are tru*60lzsds ptey ua5h*2 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 and length. St fe-gzv .9 0ypx,jtafg qv3l/;ring L has mass m and 9/3fvfjte;xl-gq ,zp a 0vy.gstring H has mass 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 traxkx w-mh56y g2v y.g3ho)e :gensverse waves down the string. If the person then doubles the rate at which he vibrates thgehg5:- k.2h x )ge3oy6myxwve string, the speed of the waves

  11.23: A string, clamped at both ,k4l)h lyt3ah/b:og8zr90 . sqmqoc uends, has its tension fixed. A wave generator vibrates the strit3 /aqm gky4osz:,h8cohq .)l ulb90rng 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 c y7/n7stujqwqyx ;21with a sound wave?

  95.04： A wave has a frequency of 50 Hz. The period of the wave isai+g*w)f 2 s7u:emda( bt ipwdie(+7c:

  04.04： A metal bar is vibratin wea m98u7i/seg with a frequency of 200 Hz. The period of oscillation iee/ws 98m7 uawould be:

  01.38: The S-waves (transverse) and P-waves (longitudinal) produo c,n(6lwfyg( ced by earthquakes travel at dg cw6y ,ln(of(ifferent speeds through the earth. 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 known ac5+wz8+kutuqr1 + b5w-n oez5m stt;,ro;joto move at 6.0 m/s on a string. Which one of the following figures best represents what a one-metero 1o wb+w, t;5c ne zsqrra-jmuu+5;5+8ottzk section of the string could look like at an instant of time?

  13.24: Which one of the following statements best descrij r( 1rd5roq/fbes Huygens’s Principle?5q(1j/orf rd r

  02.07: The diagram shows twohv9lt jbs9obq s6h 4kol,/4+ x 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 wave bo/4l h,99kxol s+4jstqbv6hs?

  96.03: If the frequency of sound isbd )bo,;h(p p5di5zs 1q28x hxnnh37xtc rgf, doubled, the wavelength:

  99.27: Assume that waves are propagating in a uniform mew yc-,m tf )kenob,n724)u gcjdium. If the frequency of the wavewm7-) cjo,e ugkb24ty,ncf) n source
doubles then

  98.02: An observer hears a sound with fje5bm squz):o 89wq m,i +lmj6requency 400 Hz. Its wavelength is approximatejqw:b9l z) ie6mujo8, mms5q+ly

  The graph below was produce by a microphone in front o)f3li8mnxi1 9fu9x, o0qc ibaf a tuning fork. It shows the voltage produced from tmxoq0ac8,ibil 9u13) fxf in9he 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. It sho3s fm +kya- trgseuw*p 13i.8ee:c- vlws the volt3ylssfivr c+-3*p8.1 wua m:eeegt-kage
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 g)6tvkuuxv;g pq8, p. 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 − g;n9 ,hev37i :t rmomv5.0 t) where all quantities given are in MKS units, x is position, and t represents time. What is thgr3e nh:o;v 9 ,7timmve period of the wave (in seconds)?

  11.17: A new radio station broadcasw0(.me ky cr,: ofq*vtezn;-nts its signal with a wavelength of 3.40 m. At what frequency is this station broad- :vcw*.o y(ne0z ;mqkr,tfnecasting?