5.3  Light Technology

5.3 Light Technology

12 Qs

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5.3  Light Technology

5.3 Light Technology

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KIMBERLY SHULTZ

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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Which of the following is an example of a way that light can transmit information?

eyeglasses
neon lights
laser welder
bar code scanner

2.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

What is one of the earliest ways that ancient people produced light?

candles
light emitting diodes
fluorescent bulbs
incandescent bulbs

3.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

A scientist is studying great horned owls in the wild. Which of the following technologies would most help the scientist observe the birds from a distance?

binoculars
microscope
laser scanner
light-emitting diode screen

4.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

How do incandescent bulbs produce light?

Light of one color is concentrated and amplified.
Material inside the bulb becomes hot and produces light.
Gases within the bulb are energized by an electric current and interact with a prosphor coating.
Solid materials within the bulb are energized by an electric current.

5.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Media Image

The following image A shows one type of light technology. What technology is shown and what is one of its uses?

laser; cutting through metal
LED; illuminating a telvision screen
fluorescent light; illuminating a dark room
fiber optic cable; moving light through small openings

6.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

Which of the following light technologies is known for losing very little light during transmission?

LED lights
laser lights
fiber optics
incandescent bulbs

7.

MULTIPLE CHOICE QUESTION

30 sec • 10 pts

What form of light does Doppler radar use?

optical fiber
laser light
radio waves
microscopes

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