Understanding the Meaning of l1, l2 & m in Two Waves in Phase Equation

Thread starter clum
Start date May 7, 2015
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Phase Waves

In summary, the wavelengths of the two waves in the phase equation are represented by l1 and l2, while the phase difference between the two waves is represented by m. The phase equation states that l1/l2 = m, meaning that the ratio of the wavelengths is equal to the phase difference. This phase difference determines the interference pattern created when the waves overlap, with a phase difference of 0 resulting in constructive interference and a multiple of pi resulting in destructive interference. The fact that l1 and l2 are different indicates that the waves have different wavelengths, speeds, and frequencies, leading to complex interference patterns. The phase equation can be applied to any two coherent waves with known wavelengths and is commonly used in fields such as physics, optics

May 7, 2015

clum

Homework Statement

I have the formula l2 - l1 = m lambda and I am not sure what each part of the equation stands for? I think l2 and l1 are distances to where the waves meet but I am not sure.

Thanks

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The Attempt at a Solution

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May 7, 2015

CWatters

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I believe you are right but context is everything.

Try drawing it.

Related to Understanding the Meaning of l1, l2 & m in Two Waves in Phase Equation

1. What do l1, l2, and m represent in the two waves in phase equation?

In the two waves in phase equation, l1 and l2 refer to the wavelengths of the two waves, while m represents the phase difference between the two waves. The phase difference is the amount by which one wave is shifted relative to the other.

2. How are l1, l2, and m related in the phase equation?

The phase equation for two waves is l1/l2 = m. This means that the ratio of the wavelengths is equal to the phase difference between the two waves. In other words, the wavelength of one wave determines the phase difference between the two waves.

3. How does the phase difference affect the interference pattern of the two waves?

The phase difference between the two waves determines the interference pattern that is created when the waves overlap. If the phase difference is 0, the waves will be in phase and create a constructive interference pattern. If the phase difference is a multiple of pi, the waves will be completely out of phase and create a destructive interference pattern.

4. What is the significance of l1 and l2 being different in the phase equation?

The fact that l1 and l2 are different in the phase equation indicates that the two waves have different wavelengths. This means that they are traveling at different speeds and have different frequencies. This can result in complex interference patterns and is a key factor in understanding the behavior of waves.

5. Can the phase equation be applied to any two waves?

Yes, the phase equation can be applied to any two waves, as long as they are coherent (have a constant phase relationship) and have known wavelengths. This equation is commonly used in fields such as physics, optics, and acoustics to understand the behavior of waves and interference patterns.