concave mirrors Flashcards

1
Q

concave mirror

A

a mirror where the reflecting surface curves inward

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2
Q

principle axis

A

the line that passes through the centre of curvature

normal to the centre of the mirror

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3
Q

centre of curvature (C)

A

the point where all normals meet

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4
Q

vertex (V)

A

the point where the principal axis cuts the centre of the mirror

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5
Q

focal point (F)

A

where incident rays are near and parallel to the principle axis, their reflected rays all pass through the same point on the principle axis
this point is the focal point

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6
Q

focal length (f)

A

the distance between the vertex and the focal point

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7
Q

radius of curvature (R)

A

the distance between the vertex and the centre of curvature

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8
Q

when an incident ray travels parallel to the principle axis, it is reflected ____________

A

through the focal point

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9
Q

when an incident ray passes through the focal point (F), the reflected ray is parallel _____________

A

to the principle axis

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10
Q

when an incident ray passes through the centre of curvature (C), it is reflected _______________

A

back onto itself

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11
Q

when an incident ray strikes the vertex (V), the principle axis is ________

A

its normal

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12
Q

object location– beyond C

location

A

between C and F

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13
Q

object location– beyond C

orientation

A

inverted

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14
Q

object location– beyond C

size

A

smaller

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15
Q

object location– beyond C

type

A

real

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16
Q

object location– at C

location

17
Q

object location– at C

orientation

18
Q

object location– at C

size

19
Q

object location– at C

type

20
Q

object location– between C and F

location

21
Q

object location– between C and F

orientation

22
Q

object location– between C and F

size

23
Q

object location– between C and F

type

24
Q

object location– at F

location

25
Q

object location– at F

orientation

26
Q

object location– at F

size

A

no clear image

27
Q

object location– at F

type

28
Q

object location– between F and V

location

A

behind mirror

29
Q

object location– between F and V

orientation

30
Q

object location– between F and V

size

31
Q

object location– between F and V

type