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# Observe and analyze the characteristics of the different types of waves and their behavior towards changes in variables.

Extracts from this document...

Introduction

Physics Waves Laboratory

Purpose:

To observe and analyze the characteristics of the different types of waves and their behavior towards changes in variables.

Materials:

• Heavy spring
• Ruler
• Dynamometer
• Timer
• String

Procedure:

1st Part:

1. One person grabs the heavy spring on one end, and another person grabs it by the other.
2. One of the two persons will shake the spring by making a whip like movement, hence starting a wave that will run through the spring, while the other person will hold on tight to the other end trying to avoid the most minimum movement.
3. Observe how the wave goes and how it returns, its position, direction etc and record the observations.

2nd Part:

1. Tie a string more or less 10cm long to an end of the heavy spring.
2. One person grabs the heavy spring on one end, and another person grabs it by the end which has the string tied to it.
3. The person that is holding the end without a string will shake the spring by making a whip like movement, hence starting a wave that will run through the spring, while the other person will hold the end with the spring loose, thereby trying to allow some movement.
4. Another way that step III can be done in case

Middle

1. Compare the reactions and the different types of waves when the variables that affect them, change. Record the observations.

4th Part:

1. One person grabs the heavy spring on one end, and another person grabs it by the other.
2. Place the spring on the ground, and with the ruler measure 33 cm amplitude.
3. Place an object that will be easy to tip over by a little tap, whether it is a ruler placed in a vertical position or a pen placed in a vertical position, 66cm away from the spring, but just in the middle of it. (See picture 4.1)
4. Both persons at the ends will start at the same time two waves by making the same whip like movement of 33 cm in amplitude.
5. Observe how the waves go and meet, what happens to the object placed at the side of the spring? How do the waves react after having met?
6. Record observations.

4.1

5th Part:

1.  One person grabs the heavy spring on one end, and another person grabs it by the other.
2. Place the spring on the ground, and with the ruler measure 33 cm amplitude.
3. Place an object that will be easy to tip over by a little tap, whether it is a ruler placed in a vertical position or a pen placed in a vertical position, 66cm away from the spring, but just in the middle of it.

Conclusion

Bibliography

Slinky Booklet. NASA. 3 Mar. 2004

Henderson, Tom. Interference of Waves. 2001. The Physics Classroom. 3 March.
2004  <
http://www.glenbrook.k12.il.us/gbssci/phys/Class/waves/u10l3c.html>

GCSE Physics. Gcsescience.com. 3 March 2004. http://www.gcsescience.com/pwav2.htm

2004 The Physics Classroom and Mathsoft Engineering & Education, Inc. 3 March 2004

http://www.physicsclassroom.com/mmedia/waves/swf.html

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