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2nd Semester > Physical Science Waves > Flashcards

Physical Science Waves Flashcards

1
Q

is described as a
minute portion of matter and is also referred
to as the smallest known building blocks of
the universe.

A

particle

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2
Q

This means that everything that
makes up matter and universe is called
_______________.

A

Particle

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3
Q

Is a subatomic
a particle that has a negative
electric charge.

A

Electron

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4
Q

It has a no known
structure and is believed to be a
____________.

A

Electron, point particle

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5
Q

It has a mass that is
approximately ___________ times less
than that of the proton.

A

Electron, 1836

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6
Q

The ____________ of the electron is
called the _________ which is
identical to the electron except that it is
producing a pair (or more) of
gamma-ray photons.

A

anti-particle, POSITRON

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7
Q

The name “electron” was introduced
for the electric charge quantity in
1894 by Irish physicist __________________

A

George Johnstone Stoney.

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8
Q

The electron was
identified as a particle by ______________________ using the
________________ that enabled him
to calculate the charge-to-mass ratio.

A

Joseph John Thomson in 1897, Cathode ray tubes

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9
Q

is described as a
disturbance that travels through space-time
and medium accompanied by transferring
energy from one place to another.

A

Wave

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10
Q

A ____________
may be a substance or material that carries
the wave.

A

Medium

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11
Q

WAVES TRANSFER
___________ AND NOT ____________.

A

ENERGY, MATTER

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12
Q

Thus, waves are
said to be an __________________

A

energy transport phenomenon.

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13
Q

is a small thing,
finite object.

A

Particle

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14
Q

have momentum and positions.

A

Particle

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15
Q

have momentum and positions.

A

Particle

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16
Q

are
oscillations, they are not localized.

A

Waves

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17
Q

When the waves meet together,
crest meets crests it is called
_______________

A

Constructive Interference

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18
Q

When
the waves cancel each other, no
interaction at all, it is called
_____________________

A

Destructive Interference

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19
Q

crest meets crests

A

constructive interference.

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20
Q

no
interaction at all,

A

destructive interference.

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21
Q

created When two waves meet
together, sounds are ___________ , light is
______________.

A

produced, present

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22
Q

When there is no wave interaction,
no sounds are ________ and only ______.

A

created, darkness

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23
Q

have
recognized the existence of the sub-atomic particle but were
only able to observe the energy it produces.

A

Bohr, Schrodinger, Rutherford

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24
Q

a specific material is randomly directed at a wall
which has two small slits that can be opened and closed at will, some of
the material gets blocked and some passes through the slits depending
on which ones are open.

A

Richard Feynman’s experiment double-slit
thought-experiment,

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25
Q

When particles are
fired at the wall with both
slits open, they are more
likely to hit the backstop in
one particular area,
whereas waves interfere
with each other and hit the
backstop at a number of
different points with
differing strength, creating
what is known as an
_______________

A

INTERFERENCE PATTERN.

26
Q

forms when
waves collide when they
travel thus changing their
direction, strength, or
movement.

A

interference
patterns

27
Q

are disturbances, they are formed and carried when an object is disturbed and
sends vibrations that disturb objects from one end to another.

A

Waves

28
Q

__________ carry energy from one
point to another without moving matter from one point to another.

A

Waves

29
Q

_________________ is the height and the depth of the wave from the
center or the resting point.

A

AMPLITUDE

30
Q

________________ is the top wave of the formation.

A

CREST

31
Q

Is the
bottom wave of the formation.

A

TROUGH

32
Q

is the distance between two crest and two
troughs.

A

WAVELENGTH

33
Q

is the number of complete waves made per second and period is the
amount of time to complete one wave.

A

FREQUENCY

34
Q

When light passes
through a triangular prism
and produces a rainbow of
colors, which is known to be the
______________

A

Dispersion of light.

35
Q

takes place when
white light passes through
such mediums and causes
colors to separate.

A

Dispersion of light

36
Q

occurs
when a light wave passes by a
corner or through an opening
or slit.

A

Diffraction of light

37
Q

Light has always been known to
have two properties, its____________________
and ______________

A

wave property, particle property.

38
Q

is a form of
radiation, meaning it comes from a
body source then it could travel through
space or through a medium going to
another body.

A

Light

39
Q

travels in space or
different mediums like gas
molecules or through objects, it
will affect the way it travels hence
could have different effects.

A

light

40
Q

The particle property of light is observed with the presence of “___________”
that are also known as bundles of light.

A

photons

41
Q

are very dangerous to life forms.

A

Radio Frequencies

42
Q

In the
electromagnetic spectrum, the wavelengths for light are found in the
boundary that is called ____________

A

visible light.

43
Q

is when light, both
wave and particle slow down as it
passes through matter.

A

Refraction

44
Q

Waves move
slower as it passes through
“____________________” objects like water.

A

TRANSPARENT

45
Q

is why when you look objects
through water they are like “bent”
or not in actual place where they
are seen like a pencil placed in a
glass of water.

A

TRANSPARENT

46
Q

Transparent waves move slow or fast?

A

Slow

47
Q

when light passes
through crystals or when
light hits the water
vapor in the air creating
a rainbow.

A

“rainbow” phenomena

48
Q

Reflection of light is the
bouncing of light when it hits
a smooth or “__________”
surface like a mirror.

A

LUSTROUS

49
Q

All light
bounces and does not affect
the travel of light much. That
is why your reflection on the
mirror is exactly how it is
when you see it because light,
as it is bounces back to your
eyes.

A

LUSTROUS

50
Q

Objects could either be
_______________________
depending on the material of the
object. (Say how light behaves each)

A

transparent (all light passes through), translucent (Some light passes through), or opaque (no light passes through)

51
Q

if light is not
changed as it passes through a
material like glass.

A

transparent

52
Q

Light does what when entering glass with color when its translucent

A

Changes color

53
Q

if it blocks the light
completely and casts a shadow.

A

Opaque

54
Q

could still pass but it will have
a different shade of color.

A

Translucent

55
Q

The primary colors of the light
are

A

red, blue, and green.

56
Q

Combining
two of the primary lights would
produce the secondary lights which
are _______________

A

magenta, yellow, and cyan.

57
Q

Combining all primary colors of light
will produce the _______________

A

white light.

58
Q

____________
absorb other wavelengths
and reflect the color that
we see.

A

Paint pigments

59
Q

If all colors are
mixed, we end up having a _________ because all
colors are absorbed. (Pigments)

A

Black Color

60
Q

absorbs all
color,

A

Black

61
Q

___________
reflects all colors reflecting
white light.

A

white material

2nd Semester (48 decks)

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