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Unit C~ Section 1 Flashcards

(9 cards)

1
Q

Early ideas about light

A

~beams coming from peoples eyes

~Light didn’t have colour

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2
Q

Who discovered the speed of light

A

Albert A michaelson / ole romer

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3
Q

Early inventions

A

Telescope
Microscope
Mirrors reflecting off eachother

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4
Q

4 properties of light

A

Can bend
comes in straight lines
can be reflected
is a form of energy

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5
Q

How does a microscope use light

A

Use two lenses, when the light shines through specimen, a large image is produced by looking through the eyepiece

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6
Q

two telescopes

A

reflecting and refracting
reflecting uses a curved mirror
refracting uses a lens

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7
Q

What are binoculars made of

A

two refracting telescopes put together.

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8
Q

Luminous & non luminous

A

Luminous produces light; light source

Non-Luminous Doesn’t

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9
Q

2 types of reflection

A

Regular, diffuse

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