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Caa Physcis B1 > Physics > Flashcards

Physics Flashcards

1
Q

What are the properties of gas

A

Volume
Pressure
Temperature

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2
Q

What is boyles law

A

The pressure and volume of gas are inversely proportional to eachother

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3
Q

What equation is this p1v1:p2v2

A

Boyles law

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4
Q

What is Charles law

A

It’s the law about how gas expands

V / t

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5
Q

What is an isobar

A

It is the volume of gas and temperature at a constant pressure is know as an isobar or isotopecs and it always gives a straight line on a graph

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6
Q

What is gay Lussacs law

A

The pressure exerted by a gass of a given mass is directionally proportional to the temperature

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7
Q

What is the combined gas laws

A

P1xv1 / t1. : P2xv2 /t2

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8
Q

What is a adibatic process

A

The thermodynamic process in Wich there is no exchange of heat during expansion and compression

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9
Q

What is the ideal gas law

A

Ideal gas molecules do not attract or repel each other

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10
Q

What is is the other ideal gas law

A

Ideal gas molecules themselves take up no volume

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11
Q

What is Dalton’s law

A

The total pressure of a mixture of gases is equal to the sun of partial pressures of the individual component gases

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12
Q

What is a ray

A

A ray is the direction of the path taken by light

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13
Q

What is a beam

A

Is a stream of light energy they can diverge converging or parallel

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14
Q

What properties do shadows have

A

Penumbra : partial shadow
Umbra : main shadow

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15
Q

On a plane mirror what are its properties

A

Incident ray
Reflected ray
Angle of incidence
Angle of reflection

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16
Q

What is a real image

A

Like an image projected by a projector

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17
Q

What is a virtual image

A

An image you see in a mirror or magnifying glass

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18
Q

What is parallax Error

A

It’s where you see a pointer in a different position like on a gauge cause your not directly above it

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19
Q

What is refraction

A

Refraction is the change in the direction of a wave passing from one medium to another

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20
Q

What is snells law

A

It is the change of a beam when it goes into water or out of it

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21
Q

What is the refractive index

A

It describes how fast light travels through a material

22
Q

What is total internal reflection

A

It is a phenomenon where light will change angle coming out of a medium until a critical point where it bounces of the bottom surface reflecting internally

23
Q

What are the different types of mirrors

A

Parabolic
Curved
Flat
Concave
Spherical

24
Q

What are the common terms of lenses

A

Principle axis
Principle focus
Focal length
Optical centre
Centre of curvature

25
Q

What is a converging lens

A

It’s a lens that concentrates scattered rays to a principle focus

26
Q

What is a diverging lens

A

It takes a concentrated principle focus and spreads it out

27
Q

Give an example of a virtual image

A

Magnifying glass image or a mirror

28
Q

What is a mechanical wave

A

Is an oscillation of matter and transfers energy through a medium like shaking a box of sand

29
Q

What is a longitudinal wave

A

Sound and pressure waves and is parallel to the motion of energy

30
Q

What is a transverse wave

A

When the movement of the particles at right angles examples being light and waves at sea

31
Q

What is an eltromagentic wave

A

They don’t need a medium to travel and they are transverse

32
Q

What is de brogikes hypothesis

A

It’s the theory of how matter behaves as waves

33
Q

What is sound

A

It refers to how loud or soft a noise is through the disturbance of matter usually air

34
Q

What does loudness looks like in a wave

A

It looks like a taller wave

35
Q

What does pitch look like on a wave

A

The amount of peaks increase (frequency)

36
Q

What is a progressive wave

A

They travel continuously in a certain direction in a medium

37
Q

What is a stationary wave

A

They are produced when two similar waves collide and appear stationary

38
Q

How do waves reflect

A

They can hit objects then bend and reverse going from hill to a dip on collision and heading back

39
Q

What is the superstition principle hint (waves colliding )

A

When a pulse has the same shape from two different directions it will collide it amplitudes will be higher than the the amplitudes of the originals and then will recover their individual shapes and pass through eacother

40
Q

What is the Doppler effect

A

As an object moves like a truck the sounds compress to a high frequency so it sounds louder coming towards you and when it passes it sounds quiter and gradually fades

41
Q

Elements

A

Only contain one type of atom

42
Q

Compounds

A

Contain two or more types of atoms

43
Q

What is a molecule

A

Is the smallest thing a substance can be divided into

44
Q

What is a molecule

A

Is the smallest thing a substance can be divided into

45
Q

How many electrons in the first shell or k

A

2

46
Q

What’s is the equation for pressure at the base of a colum

A

Pxgxh. Pressure x gravity x height

Or

Density x volume x gravity
—————————————
Base area

47
Q

What is a hydrometer used for

A

Measuring specific density ( looks like a tube with a float in it )

48
Q

What is momentum

A

Mass x velcoity

49
Q

What is velcoity

A

Displacement / time

50
Q

How to convert Celsius to kelvin

A

+273.15

Caa Physcis B1 (3 decks)

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