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My Physics > Ch. 3 Reflection Of Light From Spherical Mirrors > Flashcards

Ch. 3 Reflection Of Light From Spherical Mirrors Flashcards

1
Q

Concave

A

)

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2
Q

Convex

A

(

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3
Q

Diagram terms

A 
Center of curvature
Principal axis
Focal point/ focus
Pole
Focal length
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4
Q

Concave: ray strikes the pole

A

Reflected back out at an equal angle

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5
Q

Concave: ray going through the center

A

Reflected back along its own path

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6
Q

Concave: ray is parallel

A

Goes out through the focus

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7
Q

Concave: ray goes in through focus

A

Goes out parallel

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8
Q

Concave image: outside c

A

Diminished
Inverted
Real
Between c and f

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9
Q

Concave image: on c

A

On c
Same size
Inverted
Real

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10
Q

Concave image: between c and f

A

Magnified
Inverted
Real
Outside c

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11
Q

Concave image: on f

A

Image at infinity

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12
Q

Concave image: inside f

A

Virtual
Magnified
Behind mirror
Right way up

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13
Q

Distant objects in a concave mirror

A

Real
At the focus
Beams come in parallel

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14
Q

Concave

Real image formula

A

1/u +1/v = 1/f

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15
Q

Concave

Virtual image formula

A

1/u -1/v =1/f

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16
Q

Magnification

A

The ratio of the height of the image to the height of the object

17
Q

Magnification formula

A

H of image/h of object
Image distance/ object distance
M = v/u

18
Q

Concave mirror uses

A

Makeup mirror

Projector

19
Q

Convex mirror: ray goes in at pole

A

Reflected back at equal angle

20
Q

Convex: heading to centre

A

Reflected on own path

21
Q

Convex: parallel

A

Reflected as if cane from the focus

22
Q

Convex : focus

A

Out like parallel

23
Q

Convex mirror image formation

A

Always virtual
Behind the mirror
Always diminished
Right way up

24
Q

Convex mirror formula

A

1/u -1/v = -1/f

V and f are always negative

25
Q

Convex mirror uses

A

Concealed entrances

Door mirror of a car

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