Science Deck Real Flashcards

(72 cards)

1
Q

a disturbance that moves through a medium when the medium’s particles cause neighboring particles to move.

A

Wave

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2
Q

A wave that is a result of vibrations between electric and magnetic fields.

A

Electromagnetic Wave

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3
Q

They travel in a vacuum.

A

Electromagnetic Wave

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4
Q

They don’t need a medium to travel.

A

Electromagnetic Wave

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5
Q

Has a speed of 3*10^8 m/s

A

Electromagnetic Wave

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6
Q

It is a range of all EM Waves.

A

EM Spectrum

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7
Q

It is arranged in order of increasing wavelength and decreasing frequency.

A

EM Spectrum

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8
Q

Invisible force field created by the attraction and repulsion of electrical charges.

A

Electric Field

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9
Q

It is an area around a magnet or something magnetic in which it has a force to attract objects to itself.

A

Magnetic Field

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10
Q

These are waves that allow us to listen to the radio.

A

Radio Waves

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11
Q

They have long wavelengths and low frequencies.

A

Radio Waves

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12
Q

They are used for broadcasting music, news etc…

A

Radio Waves

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13
Q

Have shorter wavelengths and higher frequencies than radio waves.

A

Microwaves

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14
Q

They are used in microwave ovens, cell phones and WI-FI.

A

Microwaves

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15
Q

Heat radiation

A

Infra

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16
Q

Used in TV Remotes and Thermal Cameras.

A

Infra

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17
Q

Allows us to see the world around us

A

Visible Light

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18
Q

Patterns of dark lines and colors

A

Visible Light

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19
Q

Have shorter wavelengths and higher frequencies than visible light.

A

UV Ray

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20
Q

Comes from the sun and causes sunburns.

A

UV Ray

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21
Q

Have shorter wavelengths and higher frequencies than UV Radiation.

A

X-Rad

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22
Q

Used in medical imaging like x-ray machines to see our bones and organs.

A

X-Rad

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23
Q

Have the shortest wavelength and highest frequency.

A

Gamma

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24
Q

Produced during nuclear reactions.

A

Gamma

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25
Naturally produced by pulsars, supernova explosions, neutron stars and also by the decay of some radioactive elements.
Gamma
26
Cannot penetrate the cells of an organism.
Non-Ionizing Radiation
27
Non-Ionizing Radiation Examples
Radio, Micro, Infrared and Visible Light.
28
Has a photochemical reaction.
Non-Ionizing Radiation
29
Can penetrate the cells of an organism.
Ionizing Radiation
30
Biological damage
Ionizing Radiation
31
Ultraviolet, X-Ray, Gamma.
Ionizing Radiation
32
Affects fast growing cells like hair and skin. Kills cells.
Ionizing Radiation
33
High amount of radiation exposure but in a short period of time.
Acute
34
Exposed to a small amount of radiation but for a long period of time.
Chronic
35
Characteristics of Images Formed by a Plane Mirror
Virtual, Same Size, Same Orientation, Same Distance, Erect or Upright
36
Reflects light inward to one focal point. It is used to focus light.
Concave MIRROR
37
Converging mirror, because the reflecting surface is inward.
CONCAVE MIRROR
38
Dental Mirror, Microscope, Shaving Mirrors, Headlights.
CONCAVE MIRROR
39
MIRROR WITH REAL FOCAL POINT
CONCAVE MIRROR
40
MIRROR THAT FORMS REAL AND VIRTUAL IMAGES
CONCAVE MIRROR
41
Mirror that produces magnified and diminished images.
Concave Mirror
42
Reflect light outwards, not used to focus light.
Convex Mirrors
43
Diverging mirror, reflecting surface is outward.
Convex Mirrors
44
Safety Mirrors: images may be closer than they appear.
Convex Mirrors
45
Mirror that has a virtual focal point.
Convex Mirrors
46
Mirror that only produces diminished images.
Convex Mirrors
47
Formed when light rays actually meet after reflection.
Real Image
48
Can be formed on a screen.
Real Image
49
Light rays do not intersect.
Virtual Image
50
Images cannot be formed on a screen.
Virtual Image
51
When an image is formed beyond the center of the curvature the LOST is ?
Between C and F, Inverted, Reduced and Real.
52
When an image is formed at the center of the curvature the LOST is ?
At C, Inverted, Same and Real.
53
When an image is formed at the focus the LOST is ?
No Image Formed
54
Refers to the lens which merges the light rays at a particular point that travels through it.
Convex Lenses
55
Can be identified as the lens which disperses the light rays around that hits the lenses.
Concave lens
56
Lens with OUTWARD curve.
Convex
57
Lens with INWARD curve.
Concave
58
Light that converges in lens.
Convex
59
Light that diverges in lens.
Concave
60
Thicker at the center compared to its edges in lens.
Convex
61
Thinner at the center as compared to its edges in lens.
Concave
62
Used to correct far sightedness.
Convex Lens
63
Used to correct near sightedness.
Concave Lens
64
Real and inverted image, produces virtual, erect and enlarged image in a magnifying glass. LENSES.
Convex
65
Method used to predict the characteristics of images formed in curved mirrors.
Ray Diagrams
66
Optical instrument with 2 convex lenses.
Compound Microscope
67
They form an enlarged image of the object inside the microscope.
Compound Microscope
68
Uses convex lenses to make enlarged images.
Telescope
69
Has two types, reflecting/concave and refracting/convex telescopes.
Telescope
70
An optical instrument that forms and records an image of an object.
Camera
71
May be recorded on film or it may be detected by an electronic sensor.
Camera
72