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The behavior of light waves is introduced and discussed. Also, polarization, color, diffraction, and interference are introduced and discussed thoroughly as supporting evidence of the wave nature of light.

Subject:
Science
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The Physics Classroom
12/01/2023
Educational Use
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"How Do We Know Light Behaves as a Wave?" An answer is provided in this discussion of the polarization of light and the use of Polaroid filters in sunglasses. The four methods discussed on this page are: polarization by transmission, polarization by reflection, polarization by refraction, and polarization by scattering.

Subject:
Science
Material Type:
Provider:
The Physics Classroom
12/01/2023
Educational Use
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The concept of potential energy is explained along with the two forms of potential energy: elastic and gravitational. Discusses what gravitational potential energy is, explains the direct relationship between it and mass and height, and gives the equation for its computation, along with an example.

Subject:
Science
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Provider:
The Physics Classroom
12/01/2023
Educational Use
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An explanation of and animation depicting the propagation of an electromagnetic wave through a material medium.

Subject:
Science
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Provider:
The Physics Classroom
12/01/2023
Educational Use
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This tutorial looks at the anatomy of the eye and how the sense of sight works. This is the first part of a learning module. Subsequent sections cover how images are formed and detected, the concept of accommodation where the eye adjusts its focus, and how farsightedness and nearsightedness are corrected. Includes detailed calculations using physics formulas, e.g., to find the quantitative relationship between the object distance, image distance, and focal length.

Subject:
Science
Material Type:
Lesson
Provider:
The Physics Classroom
08/07/2023
Educational Use
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The law of reflection is discussed and explained, accompanied by an animation depicting this law. Includes a list of links to detailed information about certain types of reflections.

Subject:
Science
Material Type:
Provider:
The Physics Classroom
12/01/2023
Educational Use
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This resource provides a detailed explanation of a resultant, in terms of vectors. Content also includes helpful examples.

Subject:
Mathematics
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Provider:
The Physics Classroom
12/01/2023
Educational Use
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This physics tutorial invites users to discover that sound is a mechanical wave. Be sure click on the animation for further study.

Subject:
Science
Material Type:
Lesson
Provider:
The Physics Classroom
08/07/2023
Educational Use
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This physics tutorial invites users to discover how sound is a pressure wave. Be sure to view the animation.

Subject:
Science
Material Type:
Lesson
Provider:
The Physics Classroom
08/07/2023
Educational Use
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This informative tutorial on Coulomb's Law and electric force in physics features a definition as well as formulas, diagrams, and learning exercises.

Subject:
Science
Material Type:
Lesson
Provider:
The Physics Classroom
08/07/2023
Educational Use
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How light waves demonstrate their wave nature by reflection, refraction, and diffraction.

Subject:
Science
Material Type:
Lesson
Provider:
The Physics Classroom
08/07/2023
Educational Use
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This page explores the quantitative relationship between work and mechanical energy in situations in which there are no external forces doing work. It is a basic analysis of situations in which mechanical energy is conserved. Examples are given and worked through and some practice problems are given.

Subject:
Science
Material Type:
Lesson
Provider:
The Physics Classroom