94.06: Which of the followmhlqm 5a1ra91(bl d *oing statements about the speed of waves on a string are true?abm9a5rqm1dl*hl ( o1
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 tensi5opu9 v xrf1 mw;y/z).s1lgqqon and length. String L has mass m and string H has mass 4m. If the speed waves in string L is v, the speed of r1/ fxl95;p q gsoq)1zmu.vw ywaves in string H is

  07.44: A person vibrates the end of a string send9 shz m+9-ntpez r.0bfing transverse waves down the string.zrh09znpbtem-s 9f + . If the person then doubles the rate at which he vibrates the string, the speed of the waves

  11.23: A string, clamped at both ends, has its tein( vz+j 9wnik0 )i;efnsion fixed. A wave generator vibrates the str+ ijkvz 9fnie( ;ni0)wing 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 ,fs4 uvv.rd-qwith a sound wave?

  95.04： A wave has a frequency of 50 Hz. The7+/tn9mmr xzf gzjbp(e5 t ,h2 period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. Theqob7wk74jnepp0*va8cs1bnn s6z . 2ay+6 ul w period of oscillation woul*6 pa.j7n nu1 sbv o n8 c74ks62bpewywzal0q+d be:

  01.38: The S-waves (transverse) and P-waves (longitudinat)or*k 8fon72blhu1w8 ,blwfl) produced by earthquakes travel at different speeds through 7lbhw1l2o t8fn , u of8)rb*wkthe 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 to move at 6.0 m/s (cuwzokvy9hoi-wml(mit)-2i0 yq-uj.1 e8x on a string. Which one of the following figures best represents what a one-meter section of the string could look like at anti uu. m-o(v )-yyxi w8moi(h-cq z0j wl92e1k instant of time?

  13.24: Which one of the follow) x 4tcsco2on)t*5/g8 t dtonfing statements best describes Huygens’s Principle?/)*x8n s)ogo5 2tct4tcto ndf

  02.07: The diagram show.al8lfbrdm /k7w9 :iw s two water pulses which were originally produced at point A and are beginning tb9dm8r :la .wkl7/i wfo be reflected from 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 waz+8xujwvn5l4yj y4;8a 1inrjmr7 jp+velength:

  99.27: Assume that waves are propagating /acbk8-zto5z-j+f zn omc n,9in a uniform medium. If the frequency of the wave+8 -omz5 czbt,nf/acnko -jz 9 source
doubles then

  98.02: An observer hears a sound with frequency dn 5g,(3rhi p 8gh .tv+qp-q10unsfu a400 Hz. Its wavelength is approximag1 +-p. 0g ,f(pnd8 tq3vhas5huiurn qtely

  The graph below was produce by a microphone in front of a tuning fork. It sho8o r3:a-kv pfbn pm/r-ws the voltage produced fr3kr -pv -/m:fr noap8bom the microphone as a function of time.


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

  The graph below was producst7v6sk ntok8 vemym16 hb- ;9e by a microphone in front of a tuning fork. It shows thmobsv6es7kyt ;tk- 9m8n6 vh1e 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 wito9gz*3x0j a(uaj d+dn h 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 = w -,wh6c qgx :36yln4 kpra,ur3.0sin(2.5 x − 5.0 t) where all quantities giv6hnlr-4cx uqwwprk6y:,g ,a 3en 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 signal with a wavelength of eyzw1ykt ) +g63.40 m. Ateyz)g6 +tk1yw what frequency is this station broadcasting?