Unit C~ Section 3 Flashcards

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1
Q

What light?!

A

Comes from the sun

when it goes through a white prism the light refracts and splits into the colours of the rainbow

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2
Q

Visible light spectrum

A

Roygbiv

Colours of the rainbow

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3
Q

INvisible light spectrum

A

RMIUXG

Radio Waves
Microwaves
Infrared
Ultra-Violet
Gamma Rays
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4
Q

Incandescent Light

A

There’s a filament. When you turn it on energy flows through the filament, it heats to extremely high temperatures. The light you see comes from the glowing filament

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5
Q

Fluorescent Light

A

Glass tube filled with a small amount of gas such as mercury vapour. Inside of bulb coated with phosphor

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6
Q

Phosphorescent

A

Ex. Glow stick

Like a fluorescent, but stays flowing for a long time

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7
Q

bioluminescence & photophores

A

When living organisms produce their own light

The light producing organ

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8
Q

Primary colours

A

Red Blue Green

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9
Q

Secondary colours

A

Magenta Cyan Yellow

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10
Q

Human eyes & Cameras

A

the pupil is a hole acting like the aperture.

The iris controls the amount of light able to enter the eye

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11
Q

Retina, Cones and Rods

A

retina is filled with cells sensitive to light
Rods are very sensitive
Cones detect colour

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12
Q

Fish eyes

A

Fish have camera eyes

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13
Q

bird eyes

A

birds have sharp vision

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14
Q

Compound eyes

A

Different units acting as lenses

Easy to detect motion, gets confusing because it sees like a kaleidoscope

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