As Used in the Laws of Reflection and Refraction, the "Normal

question 80

Multiple Choice

As used in the laws of reflection and refraction, the "normal" direction is:

• A)any convenient direction
• B)tangent to the interface
• C)along the incident ray
• D)perpendicular to the electric field vector of the light
• E)perpendicular to the interface

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Definitions:

Atomic Nucleus

The dense central core of an atom, containing protons and neutrons, around which electrons orbit.

Beta Particle

An atomic nucleus during radioactive decay emits a high-speed, high-energy electron or positron.

Atomic Nucleus

The central core of an atom, composed of protons and neutrons.