94.06: Which of the following statements about thewml9m3me6n 9n speed of waves on a string are6 nmm93wn 9eml 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 and length. String L has mw(o 8)a)lv41mj la crwass m and string H has mass 4m. If the speed waves in) )alw cj(4lw1oar8mv string L is v, the speed of waves in string H is

  07.44: A person vibrates the end of a string sending transverse waves downzez/vb p mp949 the string. If the pe/9e pbmz9 pzv4rson 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 tension fixed. A wa+hw m -wuw//gga ;do0tve generator vibrates/wwtg wma 0+-g /;udoh the string 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 associate1j74taw z8xi,o+p0oomre; j hs3r2h +.slxigd with a sound wave?

  95.04： A wave has a frequency of 50 Hz.o xmg8mn5(h xtcx*u* ,cf +h3q The period of the wave is:

  04.04： A metal bar is viajh4g 8ar. sp(brating with a frequency of 200 Hz. The period of oscillation jg 8aahs .4(prwould be:

  01.38: The S-waves (transverse) and P-waves (longitudinalpbi9w zj-lf2xkvf)- () produced by earthquakes travel at di2i)lpz-(jf k9vwf -bxfferent 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 to kgq :-q zr2yp1move at 6.0 m/s on a string. Which one of the following figures beg1r 2 yqqkz:-pst represents what a one-meter section of the string could look like at an instant of time?

  13.24: Which one of the following statements best describes Huygens’s /hkijvh zc5ygo;7jqg84ab 2:Principle? 7;g258qc/ g:hoiz y4kajj bvh

  02.07: The diagram shows two waterlp -u0m-e4mfjr oxj *2 n95lfb pulses which were originally produced at point A and are beginning to be reflected from a wide barrier as shown. Which o m*90- mlp nr5fj4lbxjf -ue2of the points in the diagram would represent a virtual source for the reflected waves?

  96.03: If the frequencyor dnoay 6((z42*,vwxjfta8ld9tt)o of sound is doubled, the wavelength:

  99.27: Assume that waq g- ) -tbv:qsj- led57hy1wimves are propagating in a uniform medium. If the frequency of the d yhst--me71gj5 -ivw:bl )q qwave source
doubles then

  98.02: An observer hears a sound with frequency 400 Hz. Its wavelength is app u45l lqlfs (dk)1)cugroximately)u1s kulqf)54( dgllc

  The graph below was produce by a microphone in front of a tuning;t,, fozy2 g(pkb;ii h fork. It shows the voltage produced from the microphone as a function of time.(,p ;byti ;zo2g hk,fi


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

  The graph below was prod:c55a c icgqi4ade5ngk/6* a suce by a microphone in front of a tuning fork. It shows the voltage ia5a556cce /nsgqia d c:4*g k
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 wavelengt9 *./kimx8vwqr6 yf gth 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 q5nwz-:my n1t ahoo9e,+oi +ix − 5.0 t) where all quantities given are in MKn59wi, -+1iq+yom zheoao n:tS 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 ap:k/mrjmhz6ve +:, ro1(a h ad wavelength of 3.40 m. At what frequency is this statio:+r 1hoa,/6z hjrp a(mkd m:evn broadcasting?