Ch. 5 Sec. 6&7 Flashcards

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1
Q

What is the angle of incidence?

A

The angle formed between the incident ray and the normal

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2
Q

What is the reflected Ray?

A

The Ray of light that reflects off of a surface

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3
Q

What is the angle of reflection?

A

The angle formed between a reflected Ray and the normal.

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4
Q

What is the normal?

A

Line that is perpendicular to the mirror

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5
Q

What is the law of reflection?

A

A law of mirrors that states that the angle of incidence is equal to the angle of reflection

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6
Q

What are mirrors used for?

A

Personal grooming, automobiles, telescopes, cameras, CD players and much more

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7
Q

Do most objects reflect the light like mirrors?

A

No

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8
Q

How does light reflect off of your nose?

A

It reflects in all directions

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9
Q

What is diffuse reflection?

A

When light strikes an ordinary abject such as a book, the light is reflected in all directions

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10
Q

What is image?

A

Where the extended lines cross

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11
Q

What is virtual image?

A

With a flat mirror, the image appears to be behind the mirror.

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12
Q

What is real image?

A

Where light rays actually converge with a concave mirror and lenses.

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13
Q

What are rear surface mirrors?

A

Reflective coating on the rear of the mirror.

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14
Q

What must light pass through?

A

The glass twice and gets refracted at each change of medium

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15
Q

What is the net effect?

A

The light acts as if it had been reflected from a surface located approximately in the middle of the mirror

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16
Q

When does the size of the shift increase?

A

When the angle of incidence increases

17
Q

What is the result of the size of the shift increasing?

A

The result is slightly blurred

18
Q

What happens with transverse waves?

A

They are perpendicular to the direction of the wave

19
Q

Does light need a medium to travel in?

A

No, it can travel in a vacuum

20
Q

What is carry energy?

A

Electromagnetic energy

21
Q

What is a concave mirror?

A

A curved mirror in which the reflecting surface cave in

22
Q

What is a convex mirror?

A

A curved mirror in which the reflecting surface bulges out

23
Q

What is the shape of a concave mirror?

A

)

24
Q

What is the shape of a convex mirror?

A

(

25
Q

What is a real image?

A

An image that can be projected on a screen or on the film of a camera

26
Q

What is the incident ray?

A

The Ray of light that strikes a surface