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Mini-Quiz: Basics of Optics

by Ron Kurtus (25 June 2006)

Take this Mini-Quiz to check your understanding of the lesson material.

1. What is the most common way to create visible light?

Ruby laser

Light-emitting diode

Light bulb

2. What is usually used to change the direction of a beam of radiation?

A mirror

A Fresnel lens

You can't change the direction of light

3. What is the most common use for light detectors?

Recording an image

Measuring the temperature of the source

Reflecting light back to its source

If you got all three correct, you are on your way to becoming a champion in electro-optics. If you had problems, you had better look over the material again.

See the light

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