Young's Double-Slit Experiment

[applesnjanono]

Homework Statement

a) What are the factors that contribute to the error in the measurement of the wavelength of laser light?

b) Are there methods you might use to reduce the error, given that the wavelength of the laser light is known to at at least four significant digits?

The Attempt at a Solution

All i can come up with are human errors. and to improve it = placing laser on a flat surface, stable surface, projecting on a flat surface, and cleaning the slide.
What do you guys think? Thanks.

 

[jeyzi]

1] it is bcoz the electron would loses its energy i.e. y it although haviing a regular pattern maybe varying in the middle
2]well to how to lose it is through making it more excited
correct me if iam wrong

 

[nlightner]

I would like to provide a more thorough response to the factors that contribute to the error in the measurement of the wavelength of laser light in Young's Double-Slit Experiment. There are several factors that can contribute to the error in this experiment, including instrumental errors, environmental factors, and human errors.

Instrumental errors can occur due to imperfections in the equipment used for the experiment. For example, the laser may not emit a perfectly collimated beam, the slits may not be evenly spaced or have sharp edges, and the measuring equipment may not be precise enough. These instrumental errors can result in a deviation from the expected interference pattern, leading to inaccurate measurements of the wavelength.

Environmental factors can also affect the experiment and contribute to error. For instance, changes in temperature, humidity, and air currents can cause the laser beam to diffract or deviate from its original path, resulting in a distorted interference pattern. Additionally, ambient light or electromagnetic interference can also interfere with the experiment and cause errors.

Human errors, such as misalignment of the equipment, improper measurements, and incorrect data recording, can also contribute to the error in this experiment. It is essential to carefully set up and calibrate the equipment to minimize these errors.

To reduce the error in the measurement of the wavelength of laser light, there are several methods that can be used. Firstly, it is crucial to use high-quality equipment that is properly calibrated and maintained. This can help minimize instrumental errors. Secondly, the experiment should be conducted in a controlled environment with stable temperature, humidity, and minimal ambient light and electromagnetic interference. This can reduce the impact of environmental factors on the experiment. Finally, it is essential to carefully follow the experimental procedure and ensure accurate measurements and data recording to minimize human errors.

In conclusion, the factors that contribute to the error in the measurement of the wavelength of laser light in Young's Double-Slit Experiment are instrumental errors, environmental factors, and human errors. To reduce the error, it is essential to use high-quality equipment, conduct the experiment in a controlled environment, and carefully follow the experimental procedure. With these measures in place, we can obtain more accurate measurements of the wavelength of laser light.