Physics Laboratory Experiments
Physics Laboratory Experiments
8th Edition
ISBN: 9781285738567
Author: Jerry D. Wilson, Cecilia A. Hernández-Hall
Publisher: Cengage Learning
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Chapter 32, Problem 1ASA
To determine

Whether the plane of polarization of a polarizing polymer sheet in the same direction as that of the molecular chain orientation.

Expert Solution & Answer
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Answer to Problem 1ASA

The plane of polarization for a polymer sheet is perpendicular to the plane of orientation of a molecular chain.

Explanation of Solution

Draw a diagram to show the direction of the plane of polarization of a polymer sheet with the direction the polarization plane in a molecular chain.

    Physics Laboratory Experiments, Chapter 32, Problem 1ASA

The electric field that are perpendicular to the chain of molecules are not absorbed because they have no way of causing the molecules to oscillate. So polarized light is being observed for this direction.

The electric field that are parallel to the direction of the chain molecules causes the molecules to oscillate, and energy is transferred so they are absorbed. So polarization light can not be observed.

Conclusion:

Thus, the plane of polarization for a polymer sheet is perpendicular to the plane of orientation of a molecular chain.

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