Physics Flashcards

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1
Q

What is an incident ray

A

a ray of light coming toward a surface

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2
Q

What is the angle of incidence

A

the angle between the incident ray and the normal

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3
Q

What is the normal

A

a perpendicular line drawn from the surface

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4
Q

what is a reflected ray

A

a ray of light that is a reflection of the incident ray

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5
Q

What is the angle of reflection

A

the angle between the reflected ray and the normal

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6
Q

how are the angle of reflection and angle of incidence connected

A

they are equal

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7
Q

How fast does light travel

A

3.00 x 10m/s

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8
Q

Why are shorter wavelengths dangerous

A

they have a higher form of energy

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9
Q

How are all the forms of energy created

A

by the sun

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10
Q

How does light travel

A

in straight lines

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11
Q

How can different objects affect light

A

they can cause the light to refract, reflect, or get absorbed

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12
Q

What is diffuse reflection

A

when light is reflected off a rough surface

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13
Q

What happens during diffuse reflection

A

light bounces off randomly

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