ÿþ<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <title>PhysicsLessons.com - Waves &amp; Sound Quiz</title> <script src="shared.js" type="text/javascript" ></script> <script type="text/javascript"> <!-- /* Some font settings can be changed on the pop-up results page. Edit these here: */ Font("Times New Roman"); FontSize("12"); BackgroundColor("white"); /* BELOW IS WHERE YOU MODIFY THE QUESTIONS AND ANSWERS. Do not use double-quotes (") in the questions and answers, since that's what the program uses to tell when your text begins and ends. Single-quotes are okay. */ /* level 1 */ Question("The period of a simple pendulum depends upon the acceleration of gravity and what properties of the pendulum?"); WrongChoice("Density"); CorrectChoice("Length"); WrongChoice("Mass"); WrongChoice("None of the above"); Question("If you were to swing a 3 foot-long pendulum and a 6 inch-long pendulum, how would their periods relate if at all?"); WrongChoice("Both pendulums will have equal periods."); WrongChoice("The pendulum 6 inches long will have a longer period."); WrongChoice("There is no relation."); CorrectChoice("The 3 foot-long pendulum will have a longer period"); Question("The high and low points of a wave are, respectively,"); WrongChoice("amplitudes and crests."); CorrectChoice("crests and troughs."); WrongChoice("troughs and crests."); WrongChoice("frequency and amplitude."); Question("Amplitude measures the distance from either the crest or trough to the"); CorrectChoice("rest position."); WrongChoice("maximum value."); WrongChoice("minimum value."); WrongChoice("high point."); /* level 2-ish */ //any other ideas for wrong answers to this question? Question("Waves transfer what from a source to a receiver?"); CorrectChoice("Energy"); WrongChoice("Mass"); WrongChoice("Matter"); WrongChoice("Atoms"); Question("If the frequency of a wave is 24 Hz and the wavelength is 10 m, the wave's speed is"); WrongChoice("0.8 m/s"); WrongChoice("1.5 m/s"); WrongChoice("120 m/s"); CorrectChoice("240 m/s"); Question("When a crest on one wave overlaps a trough on another, there is"); WrongChoice("constructive interference."); WrongChoice("a Doppler effect."); WrongChoice("a blue shift."); CorrectChoice("destructive interference."); /* level 3 */ Question("A blue shift indicates that a frequency is"); CorrectChoice("decreasing."); WrongChoice("constant."); WrongChoice("increasing."); WrongChoice("none of the above."); Question("Which of the following frequency ranges can most humans hear?"); WrongChoice("20 Hz to 200 Hz"); WrongChoice("200 Hz to 2,000 Hz"); CorrectChoice("20 Hz to 20,000 Hz"); WrongChoice("None of the above"); Question("If you were listening to 96.3 FM (96.3 MHz on the radio), what is this radio station's wavelength?"); WrongChoice("0.33 m"); WrongChoice("1.5 m"); CorrectChoice("3.1 m"); WrongChoice("96.3 m"); // --> </script> </head> <body> <font face="tahoma, verdana, arial, times" size="2"> <a href="../"><img title="PhysicsLessons.com - Physics for a NEW Generation" src="/smalllogo2.gif" width="314" height="80" alt="" border="0" ></a><br> <a href="/quizzone.htm"><img border="0" src="/quizzonelogo.gif"></a></font> <h1>Quiz 12. Waves &amp; Sound</h1> <!-- The following line goes where you want the quiz to be inserted --> <script src="output.js" type="text/javascript" ></script> <font face="verdana" size="1"> <p align="center">Copyright ©2003, PhysicsLessons.com</p> </font> </body> </html>