you are to determine the amount of sugar dissolved in solution. how can you use polaroid filters to complete the task?

Polarimetry, or polarization, determines sucrose concentration by passing polarized light through a solution.

It determines the sugar content of solutions by measuring the angle of rotation of the plane of polarization of a light beam. The amount of rotation is proportional to the concentration of the solution
Read more: http://ru.scribd.com/doc/30117472/Sugar-Sugar-Analysis

To determine the amount of sugar dissolved in a solution using polaroid filters, you can follow these steps:

1. Prepare the solution: Start by preparing a known volume of the solution containing the dissolved sugar. Make sure the solution is clear and free of any solid particles or impurities.

2. Obtain two polaroid filters: You will need two polaroid filters for this experiment. Polaroid filters are special filters that only allow light waves with a specific orientation to pass through, while blocking others.

3. Set up the experiment: Place the first polaroid filter in a fixed position, such as on a tabletop or holding it up against a wall, with its axes oriented horizontally (parallel to the ground). This filter will be the analyzer.

4. Observe the solution: Look through the first polaroid filter (analyzer) and observe the solution. The light passing through the filter will be partially blocked by the sugar dissolved in the solution.

5. Rotate the second polaroid filter (polarizer): Hold the second filter (polarizer) between the source of light and the solution. Begin with the axes of both filters aligned, meaning the axes of both filters are parallel to each other.

6. Observe changes in light transmission: As the second polarizer filter is rotated while looking through the analyzer, you will notice changes in light transmission. Initially, when the axes of both filters are aligned, no light will pass through. However, as you start rotating the second filter, some light will begin to transmit through the filters due to the polarization effects.

7. Record the angle of maximum light transmission: Continue rotating the second filter until you observe the maximum intensity of light transmission through the analyzer. At this point, note the angle at which the light transmission is the most pronounced. This is the angle of maximum intensity.

8. Analyze the results: The angle of maximum intensity of light transmission is directly related to the concentration of the dissolved sugar in the solution. By comparing this angle with a calibration curve or reference data, you can determine the amount of sugar dissolved in the solution.

It's important to note that this method relies on the optical properties of sugar molecules and their effect on polarized light. The concentration of other substances in the solution should be minimized to ensure accurate results. Additionally, calibration and experimentation with known sugar concentrations will be essential to establish a reliable correlation between the angle of maximum intensity and sugar concentration.