Light Flashcards

1
Q

What did Willie board Snell discover in the Snells law

A

he discovered that when a beam of light enters a block of glass it doesn’t bend

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2
Q

What is trangulation

A

it’s a way to measure distances by using angles

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3
Q

Why does light bend?

A

Because when light is traveling it goes to different mediums and those mediums are not the same media it’s different

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4
Q

One light year =

A

9.5 kilometer

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5
Q

Define refraction of light

A

When a ray of light travels from one medium to another in Bends in the original direction

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6
Q

Examples of convex mirrors

A

mirror of cars

Street lamps

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7
Q

Example of concave mirrors

A

shaving mirror

solar cooker

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8
Q

What is pole

A

it’s the reflecting surface

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9
Q

What is focal point

A

It’s where all the incident rays converge

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10
Q

What is radius of curvature

A

The line the joints on the point of the mirror

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11
Q

what is the difference between concave and convex

A

concave is inward convex is outward

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