94.06: Which of the following statements about the speed of waves g xkk9s7x2zo0on a string arkz xx7ko 2sg09e true?
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+o xwwsu+bp6lk0/ ;bo 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 waves in s+b k6x/w 0;lobw puo+string H is

  07.44: A person vibrates the end of a s( / -ervs uv.*susrya0tring sending transverse waves down the string. If the person then doubles the rate at which he vibrates the string, the speed yr s/a uv*.sr(sv-ue0of the waves

  11.23: A string, clamped at both ends, has its t dnaf-f+7ve sl,a1uv )ension fixed. A wave generator vibrates the string with a frequency -a7fnfl1du ,v )v+eas $f$ 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 wi a;qlhx3:aw ( j+s,f-;vkgcp sth a sound wave?

  95.04： A wave has a frequency of 50 Hz. llfh5 . /xiaa:g+(kh/bc. ejxThe period of the wave is:

  04.04： A metal bar is vibrating with a frequency of 200 Hz. Tg mb;( b(mq6glhe period of oscillation would (mmb6l ;(ggb qbe:

  01.38: The S-waves (transversea osdp6cji9pfh z .-9ti3x o79) and P-waves (longitudinal) produced by earthquakes travel at different speeds through thcsjood 3azt .6f9-7 h99xiippe 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/z+fp4t.xciw ufld1 5;s on a string. Which one of the following figures best represents what a one-meter section of the string couldzxi.pftduf+c15;w l 4 look like at an instant of time?

  13.24: Which one of the following statements best deel5u w2yd um g;x8y1i kj;wg-3scribes Huygens’s Principle? uy 1d2;exi5 w;glwk3jg-umy8

  02.07: The diagram shows two water k8ipfq(oqr l/ 3)*euq 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 virt* 8qqplkri)e uf q/(3oual source for the reflected waves?

  96.03: If the frequency of sound is doubled, the wavelehhv6 hh0ho6)o ngth:

  99.27: Assume that waves are propagating in a uniform medium. ( 1vxinmd*b0*axpz-a8x, zp j If the frequency of the wave s* -nma ap*pz(x10zd i8bv,xx jource
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelength is 7b t::nwffhg(approximatelybn:( g7 :fthfw

  The graph below was produce by a microphone in fro( m(bg vtx6b+fnt of a tuning fork. It shows the voltage produced from the microphone av(m(+ bx t6bgfs a function of time.


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

  The graph below was produsx/( h0bzwr5 fce by a microphone in front of a tuning fork. It shows thw/5(hbzxsfr 0 e 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 c ti np3je0t*d(9sjg n,i9 cvu;)y5 rgwavelength 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) where all 8r1z /gi62ro fm3-zmbcbgbl8 quantities given are in MKS units, x is position, and t represents g8lz/1mbmrc-8 2g bi6rbof3z time. What is the period of the wave (in seconds)?

  11.17: A new radio station broadcasts *(lvsys 57qi hits signal with a wavelength of 3.40 m. At what frequency is this station broadcastiy7 5qv(isshl*ng?