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acc science > Waves > Flashcards

Waves Flashcards

0
Q

Wave

A

A periodic disturbance in a solid, liquid, or gas as energy is transmitted through a medium

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1
Q

Vibration

A

A complete back and forth motion of an object

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2
Q

Mechanical wave

A

Waves that need a medium

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3
Q

Wavelength

A

The distance between two waves

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4
Q

Amplitude

A

The highest point in a wave

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5
Q

A wave that consists of changing electric and magnetic fields

A

Electromagnetic wave

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6
Q

Changing amplitude or frequency of radio waves

A

Modulation

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7
Q

Curved inwards

A

Concave mirror

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8
Q

Speed of light

A

300,000 km/s

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9
Q

Used to see your bones

A

X-ray

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10
Q

Coming to one point

A

Convergant

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11
Q

A transparent object that refracts light waves

A

Lens

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12
Q

Used to warm your body by the sun

A

Infrared

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13
Q

Lens thinner in the middle

A

Concave lens

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14
Q

Used to kill cancer

A

Gamma

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15
Q

Separating away from each other

A

Divergent

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16
Q

Eye is too short

A

Farsightedness

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17
Q

Transfer of energy through electromagnetic waves

A

Radiation

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18
Q

Answer of energy carried by light waves to particles of matter

A

Absorption

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19
Q

Melanin gives your skin it’s color

A

Pigment

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20
Q

Can cause sunburn or used to kill bacteria

A

Ultraviolet light

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21
Q

The white light from the sun

A

Visible

22
Q

Light wave that bounces

A

Reflection

23
Q

Light wave that bends as it passes between two substances

A

Refraction

24
Q

Color blindness

A

Color deficiency

25
Q

Eye is too long

A

Nearsighted

26
Q

Curves outwards

A

Convex mirror

27
Q

All frequencies and wavelengths of electromagnetic wavelengths of electromagnetic radiation

A

Electromagnetic spectrum

28
Q

Lens thicker in the middle

A

Convex lens

29
Q

You cannot see through it

A

Opaque

30
Q

Causes light to change direction of motion or change its energy

A

Scattering

31
Q

Matter does not transmit an image

A

Translucent

32
Q

Bending of a wave around a barrier

A

Diffraction

33
Q

Used for cell phones and satellite communtication

A

Microwaves

34
Q

Matter that allows light to pass through it

A

Transparent

35
Q

Electric and magnetic fields of an electromagnetic wave are ________ to each other and to the direction of the wave’s motion

A

Perpendicular

36
Q

Seven kinds of EM waves long wavelength to short wavelength

A

Radio waves, micro waves, infrared, visible light, ultraviolet light, x ray, gamma ray

37
Q

How are infrared waves able to make you feel warm?

A

Energy of waves cause particles in your skin to move

38
Q

Name the very narrow range of the EM spectrum that humans can see

A

Visible light

39
Q

All visible light wavelengths combines is ________

A

White

40
Q

6 visible colors in order from long wavelength to short wavelength

A

Red, orange, yellow, green, blue violet

41
Q

High frequency=?

A

Short wavelength

42
Q

State the law of reflection

A

Angle of incidence=angle of reflection

43
Q

A line perpendicular to the mirror’s surface

A

Normal

44
Q

The angle between the reflected beam and the normal

A

Angle of reflection

45
Q

The beam of light reflected off the mirror

A

Reflected beam

46
Q

The beam of light traveling toward the mirror

A

Incident beam

47
Q

The angle between the incident beam and the normal

A

Angle of incidence

48
Q

When light beams are reflected at the same angle______

A

Regular reflection occurs

49
Q

When light beams reflect at many different angles_______

A

Diffuse reflection occurs

50
Q

What type of reflection is the reflection from a mirror?

A

Regular

51
Q

What kind of interference results in bright bands of light?

A

Constructive

52
Q

What kind of interference results in dark bands of lights?

A

Destructive

acc science (9 decks)

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