94.06: Which of the following statem 1*hhusrw95p+b; s5jnh uqh 3pents about the speed of waves on a string are true?p5h j1h3hup5s +wn* surh bq9;
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. Strinfzxv bj96geb83bx*wx2f7y 7z g L has mass m and string H has mass 4m. If thexbw7v962zygf3z8jb ex7b *f x 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 2ew3 rgmik+6sqr2u 4a:c a z.cwaves down the string. If the person then g.:zcrr3a iea q+ck4uwm22s 6 doubles the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, 7:jj2.u -xqbll uc:)8tx-ps lqt3 bi u bqf18ghas its tension fixed. A wave generator vibrates the string with8 lq1:3.bp l-ulu8tcx 2qs)fxqjbj7 buti-g: 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)j )l:2 aseakp a sound wave?

  95.04： A wave has a frequency of+ot a2fp+ o50kw l ikk.rzl55s 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency nv- p.h,resx m av:i/a7z b)g/of 200 Hz. The period of oscillation woul-a/.bvmpxh: 7z re )ina/ s,gvd be:

  01.38: The S-waves (transverse) and P-waves (longitudinal) producelceb umb:m- *s,z1 p3bd by earthquakes travel at different speeds through the earth. S-waves travel aboutmpb3ul,bmc b:s -e z1* 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/ed mdzy9,o7 r known to move at 6.0 m/s on a string. Which one of the following figures best represents what a one-yoz9erd/m,7 dmeter section of the string could look like at an instant of time?

  13.24: Which one of the following 4q e;mtkdfu; o(-ifx,umer7 5statements best describes Huygens’s Principle?xmitfe( r4f,u e;ou-mk;qd 75

  02.07: The diagram shows two water pulses which were originally producegk s3shm8vx1akw *09 lwpau;5d 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 x h0lmuag9w*sk18 sapvk53 ;wreflected waves?

  96.03: If the frequency of sound is double+ra4co /vqjld ,pr:o7hyxcs ;zs w:8+ d, the wavelength:

  99.27: Assume that waves are propagating in a uniform mediump 6cg5l4wd9( .xhqzf b. If the frequency of the wave source z.g 9fc lbdxpq(h45 w6
doubles then

  98.02: An observer hears a sound with frequency 4b 4bud8fuya)2 00 Hz. Its wavelength is approximatelb8d2auu4 )yf by

  The graph below was producegul* b6khb 0+e; acmo, by a microphone in front of a tuning fork. It shows the voltage produced from the microphone as a function of ti* b;h+l6aeu,gobc k m0me.


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

  The graph below was produce by a mo4n:reqtt*49d/wj m1gojn r3icrophone in front of a tuning fork. It shows th1etoo3n:g9 44mqwtnjjr/ d *re 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 signal with a wavev3z1esrh( 35 jblfk- ueho56fz5m:ii length 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 = i) * l0n6r82onbsrik+uhw uu;3.0sin(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 ofu8 usohr) w*k0ibin;6rn+lu 2 the wave (in seconds)?

  11.17: A new radio station b( kzp,-yjhej3/nv efhg50 jc;roadcasts its signal with a wavelength of 3.40 m. At w hegy5jk/jz-;efhn vp ,3jc0 (hat frequency is this station broadcasting?