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Gr. 10 Science > Optics > Flashcards

Optics Flashcards

1
Q

how do you describe a converging mirror

A

thinnest at the top
thickest in the middle

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2
Q

how do you describe a diverging mirror

A

thickest in the middle
thinnest at the top

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3
Q

when does TIR occur

A

when the angle of incidence is bigger than the critical angle

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4
Q

what is the salt for an object at 2F

A

same size
inverted
at 2F
Real

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5
Q

what is the salt for a object at F

A

no clear images because ray are parallel

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6
Q

what is the SALT for an object between 2F and F

A

larger
inverted
beyond 2F
Real

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7
Q

what is the SALT for an image at F

A

larger
upright
behind lens / same side as object
virtual

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8
Q

what is the SALT for a diverging lens

A

smaller
upright
same side as object
virtual

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9
Q

what does F mean

A

focal length
distance from the OC to the principle focus

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10
Q

what are the 2 conditons of TIR

A
  1. light is travelling more slowly in the 1st medium
  2. The angle of incidence is large enough that no refraction occurs in the 2nd medium
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11
Q

what is refraction

A

the bending or change in direction when ligt travels from 1 medium to another

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12
Q

what direction does light bend when entering a faster or slower medium

A

faster : away from the medium
slower : closer to the medium

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13
Q

what is the SALT for an object at F

A

no clear image

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14
Q

what are the 2 laws of reflection

A

the angle of incidence always equals the angle of reflection
the incident ray, reflected ray and normal line all lay in the same plane

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15
Q

what colours are part of the visable spectrum

A

red
orange
yellow
green
blue
indigo
violet

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16
Q

what are the 2 types of light

A
  1. incident light
  2. reflected light
17
Q

what colour light has the shortest and longest wave length

A

longest : red
shortest : violet

18
Q

what is the salt for a convex mirror

A

smaller
upright
inside mirror
virtual

19
Q

what is the SALT for an object at C

A

same size
inverted
at C
real

20
Q

what are the 7 types of electromagnetic waves exist

A
  1. visable light
  2. gamma rays
  3. UV light
  4. Radio waves
  5. X- Rays
  6. Radio waves
  7. infrared light
21
Q

what is the SALT for an object between C and F

A

larger
inverted
beyond C
real

22
Q

what is light

A

form of energy that can be detected by the human light

23
Q

what is the SALT for an object inside F

A

larger
upright
behind mirror
virtual

24
Q

what is the SALT for a object beyond C

A

smaller
inverted
between C and F
real

Gr. 10 Science (3 decks)

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