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Science - ACD GR 10 Exam > Physics > Flashcards

Physics Flashcards

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1
Q

Order the electromagnetic spectrum

A

Radio Waves, Microwaves, Infrared, Visible Light, Ultra violet, X-rays, Gamma rays

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2
Q

What speed does light travel at

A

3.00 X 10^8 m/8

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3
Q

Plane mirrors are ____.

A

flat

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4
Q

Why are concave mirrors known as converging?

A

Because all light rays come together when light strikes the mirror.

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5
Q

What is visible light?

A

Electromagnetic waves that the human eye can detect.

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6
Q

What is the SALT in plane mirrors?

A

Size: The same size as the object
Attitude: Upright
Location: Behind the mirror
Type: Virtual

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7
Q

What are electromagnetic spectrum arranged by?

A

Wavelength and frequencies

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8
Q

What are convex mirrors

A

the outer reflective surface of a curved mirror

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9
Q

What kind of WL have high frequency and high energy

A

short wl

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10
Q

In what order do the wavelength of colors go in

A

longest to smallest

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11
Q

What happens in opaque surfaces?

A

Object does not transmit the incident light — it is either absorbed or reflected

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12
Q

Name the main parts of a diagram of reflection in plane mirrors and explain each

A
  1. Incident ray
    - ray of light that travels at a reflecting surface.
  2. Reflected Ray
    - ray of light that bounces off a reflecting surface.
  3. The Normal
    - Line drawn in the middle to help measure angles.
  4. Point of Incidence
    - Spot where incident ray strikes reflecting surface.
  5. Angle of incidence
    - angle between the incident ray and the normal.
  6. Angle of reflection
    - angle between the reflected ray and the normal.
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13
Q

What are the eight sources of light - list them and explain how each one works with one example

A
  1. Incandescent light
    - heating up something to light it EX: lightbulb
  2. Electrical discharge
    - thin glass tubes that contain gas and light when electricity passes EX: Neon signs
  3. Fluorescent light
    - A tube with gases that heat due to phosphor coating being exposed to UV light
  4. Phosphorescent
    - Glow after absorbing light from a source and emitting after a while
  5. chemiluminescence
    - Light produced from a chemical reaction
  6. Bioluminescent
    - An animal or plant that can produce their own light
  7. Tribolouminescence
    - Light produced from friction
  8. Light-emitting-diodes (LED)
    - Work from electric current and movement of electrons
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14
Q

What hand motion can I use on the test to remember a concave mirror

A

A hand ball earth with wrists touching each other

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15
Q

What happens in specular reflection?

A

All reflected rays bounce off at the same angle because of a smooth surface.

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16
Q

What order do the Electromagnetic wl go from?

A

longest to shortest

17
Q

What are some examples of convex mirrors

A

Side-view car mirrors
security mirrors in parking lots, stores

18
Q

What hand motion can I use to remember convex mirrors on the exam

A

both knuckles touching each other with fingers pointing outwards

19
Q

What are the properties of light?

A
  • Light travels in a straight line
  • Light travels very fast
  • Light travels like a wave
20
Q

What is a concave mirror also known as?

A

Converging mirror

21
Q

What are convex mirrors also called

A

diverging mirrors

22
Q

What is incident light?

A

Light that hits an object/surface

23
Q

What happens when white light is passed through a prism

A

it breaks off into all the ROYGBIV colors

24
Q

What is a wavelength?

A

Distance from a peak to a peak or trough to a trough

25
Q

What is a concave mirror?

A

the inner reflective surface of a curved mirror

26
Q

What happens in diffuse reflection?

A

All light is reflected in different directions due to an irregular/bumpy surface.

27
Q

What kind of WL has low frequency and low energy?

A

long wl

28
Q

How is white light made

A

When all the ROYGBIV colors are combined

29
Q

What are some examples of concave mirrors?

A

Car headlights
Magnified makeup mirrors

30
Q

What are the 2 laws of reflection

A

1/ angle of I = Angle of R
2/ The i.r, r.r and normal all lie in the same plane flat to each other

31
Q

What are the high points of a wavelength

A

Peaks

32
Q

What are the low points of W.L

A

troughs

33
Q

What are the two types of reflection

A

Regular - specular
Diffuse

34
Q

Colors in the E.Spectrum in visible light

A

ROYGBIV

35
Q

What happens in translucent surfaces

A

object transmits some of the incident light and reflects the rest back

36
Q

What happens in transparent surfaces

A

object transmits all incident light

37
Q

what is the difference between luminous and non-luminous light?

A

Luminous: can make its own light
Non-luminous: can’t make its own light

Science - ACD GR 10 Exam (3 decks)

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