Young's Modulus Experiment With a Glass Screen

In summary, Young's Modulus is a measure of a material's stiffness and is determined through an experiment involving stress and strain. Factors such as the quality of the material and external variables can affect the accuracy of the experiment. While Young's Modulus is an important property, it should be used with other measures to fully understand a material's behavior.
  • #1
Jeremy Feng
1
0

Homework Statement


upload_2018-10-6_15-40-46.png


Homework Equations



Path difference is nλ at maxima, (n+0.5)λ at minima

The Attempt at a Solution



I think the phase difference between S1 and S2 is not 0 anymore, because the wave effectively takes a longer distance by going through S2. Thus, there is no longer a central maxima at O.

This means the whole fringe pattern shifts, however why is it towards Y?
 

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  • #2
Consider the number of wavelengths of the light as it passes thru the glass
as compared to the number of wavelengths of light as it passes thru
an equivalent thickness of air.
 

FAQ: Young's Modulus Experiment With a Glass Screen

1. What is Young's Modulus?

Young's Modulus is a measure of the stiffness or rigidity of a material. It is also known as the modulus of elasticity and is a fundamental property of a material that describes how it responds to applied stress.

2. What is the purpose of an experiment with a glass screen to determine Young's Modulus?

The purpose of the experiment is to accurately measure the Young's Modulus of a glass screen, which can be used to understand the material's properties and behavior when subjected to stress. This information is important for designing structures and predicting their performance.

3. How is Young's Modulus experiment with a glass screen performed?

The experiment involves applying a known amount of stress to the glass screen and measuring the resulting strain. This is done by attaching a load to the screen, measuring the displacement, and calculating the strain. The experiment is repeated with different loads to obtain a range of strain values, which are then used to calculate the Young's Modulus.

4. What factors can affect the accuracy of the Young's Modulus experiment with a glass screen?

The accuracy of the experiment can be affected by factors such as the type and quality of the glass screen, the method used to apply the stress, and any external factors that may influence the results, such as temperature and humidity. It is important to carefully control these variables to ensure accurate results.

5. What are the limitations of using Young's Modulus to describe a material's behavior?

While Young's Modulus is a useful measure of a material's stiffness, it does not take into account other important properties such as toughness, ductility, and strength. Therefore, it should be used in conjunction with other measures to fully understand a material's behavior and limitations.

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