94.06: Which of the following statements about the speed 4u3v bm(d, iwbof waves on a string are true? i,3w bvbum4 d(
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 len7u) f dr1fr.uwy + ick67zb5hw r:;rjigth. String L has mass m and string H has mass 4m. If the speed waves in string L is v, the speed of waves in sh:kr6rrfrwj7udu) ii5w1;+ .7zfbyc tring H is

  07.44: A person vibragxp 3q 2h2k: 5a((fzkcnk :lvvtes the end of a string sending transverse waves down the string. If the person then doubles the rate at which he v(: h3vf2nk p:5zxk gcqkv( l2aibrates the string, the speed of the waves

  11.23: A string, claiw5.k:c ar+ o xz uq;7futb0v2mped at both ends, has its tension fixed. A wave generator vibrates the stringaixf;ku 0vrotuw5+. bcq 2:z 7 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 associa: n8y:1sile er-evv1 mted with a sound wave?

  95.04： A wave has a freque)7(d ( u)qls/at2qcvly. r nlgncy of 50 Hz. The period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz.zs: xdvi4.v;. tjbjm - The period of oscillation would be::v.tibv mjx;dz4 s.-j

  01.38: The S-waves (transverse) and P-waves ((9qu r up+ex+ilongitudinal) 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 musxq(e pu9 r++iut an earthquake be for the P-waves to arrive 2 minutes before the S-waves?

  17.07: A traveling sine wave os b;3 n lznivn04ul9ah7+.klof frequency 3.0 Hz is known to move at 6.0 m/s on a string. Which one of the following figures best ra+snkh7 l3z0 9;i.lb4lnovunepresents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements bnl;r3o d;b2xgest describes Huygens’s Principle?nd;b ro2l3;x g

  02.07: The diagram shows two water pulses which were originally projj v(ac+a s(t(q9qr9wjz u; h1duced at point A and are beginning to be reflected frozasjr +jqc;w9 t9 hj(a1(vuq( m a wide barrier 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 wavelength)eep i,wu7 +vb uion1.:

  99.27: Assume that waves are propagating in a uniform medium. Ikpiz8 vtuw,g 9 x t)*zcr*sjhqo2nn6(l si34- f the frequency of the 2n- ss8zi (4vx9g,6 z*klqj3wu tot*ipc r nh)wave source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelerjt m z6s-/q/gngth is approximate ztr/jsq/ g-6mly

  The graph below was produce by a microphone in frw5opfq4 2aqs zn u2ppyp*:4)n ont of a tuning fork. It shows the voltage u4pw2fn po pn:2 qq*psz ay)45produced 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. Ir1)g 3dyh4dmyp s41j ft shows the voltage )fyh41mrsp g 431ydj d
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 h8rnxi e i5j((m ;yc-xwith 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 the form y = 3.0sin(2.5 x − 5.0 t) 7wzea91 s8sigwhere all quantities given are in MKS uniig ws9817aes zts, x is position, and t represents time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcasts its signal with a wavelength of /ntz3jjxpg 7xxg7i am369tew3/ yt 5x 3.40 m. At what frequency is this s 75t3ewjzx7/ jyt3ngx9itax3p x 6m g/tation broadcasting?