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5th Year Physics Quiz End Term 1 Flashcards | StudBud
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5th Year Physics Quiz End Term 1
standard unit for mass?
What is a force?
5th Year Physics Quiz End Term 1
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1
What is a force?
A moving object
A spring balance
What they use on Star Wars to move objects
A force is anything that changes motion or movement
2
standard unit for mass?
tonne
kilogram
gram
pounds
3
What is the difference of a concave and convex mirror?
One is cleaner
One bends outward and one bends inward
None of the above
No difference
4
What is Newtons 3rd Law?
None of these
An object will accelerat in the direction of the force
An object at rest will stay at rest
For every action there is an equal and opposite reaction
5
Refractive index =
sin(i) x sin (r)
sin (r) / sin (i)
1 / sin(C)
i / r
6
Snell's law relates the refractive index to...
the angle of incidence and the angle of refraction
the wavelength of the light wave
the amplitude of the light wave
the frequency of the light wave
7
Force = Mass x Acceleration is which one of Newtons Laws?
Third Law
First Law
Second Law
None of Them
8
Weight has the units
m/s2
m/s
N
kg
9
What is illustrated in the image?
a broken pencil
a bent pencil
reflection
refraction
10
What is Velocity?
Speed and Direction
Motion and Direction
Mass and Acceleration
11
Scalar
A measurement with only magnitude
Includes magnitude and direction
12
Mirror A is
Concave
Convex
13
Which of newtons laws is this?
1st
2nd
3rd
all of the above
14
What is Newtons 1st Law?
An object will accelerate in the direction of a force
If a object is at rest it stays at rest
None of these
For every action there is a equal and opposite reaction
15
Physics is a(n)...
Practical science
Applied science
Chemical science
Irregular science
16
standard units for speed?
ms
m2/s
m/s
m/s2
17
The greater the mass.....
to fast to see it ; )
the smaller the acceleration
no acceleration
a greater acceleration
18
What is meant by the weight of an object?
the mass of the object multiplied by gravity
the gravitational force acting on the object
the object’s mass multiplied by its acceleration
the gravitational field acting on the object
19
The equation for momentum is...
p=v/m
p=mv
p=m/v
v=mp
20
what's the formula for acceleration?
sushi
v=u+at
a=(v-u)/t
f=ma
21
What are the units of acceleration?
m/s
ms
m/s2
ms2
22
Who are Newtons laws made by?
Niel Degrasse Tyson
Issac Newton
Albert Einstein
Jimmy Dean
23
The symbols for units of length in order from smallest to largest are...
mm,cm,m,km
mm,m,cm,km
km,mm,cm,m
m,cm,mm,km
24
In physics, the "F" in the diagram below would most likely represent...
Freefall
Fricton
Force
Fusion
25
Momentum is...
forces from agents outside the system
Strong force for a short-duration
A short duration interaction between two objects
The product of an objects mass and its velocity
26
standard unit for time?
hours
seconds
minutes
milliseconds
27
What is Newtons 2nd Law
For every action there is an equal and opposite reaction.
None of these
An object at rest will stay at rest
And object will accelerate in the direction of the force
28
which of newtons laws is this?
1st
2nd
3rd
29
Express
5Gm
in standard
SI units
5 x 109 m
Five Giga metres
Five Mega metres
5 x 10-9 m
30
A vector has
magnitude and time
magnitude and speed
magnitude and direction
time and direction
31
What is the standard unit for mass?
meters per second squared
kilograms
Newtons
meters per second
32
What is the defination of refraction?
bending of a wave due to a change in speed or medium
waves that do not require medium
waves that stay the same do to the change in speed or medium
packet of traveling light that carries energy
33
Mirror B is
Concave
Convex
34
A _____ image is formed by light rays passing through the location of the image
real
virtual
35
A rocket launch is an example of Newtons Laws?
True
False
36
Momentum is measured in...
(kg*m/s)^2
kg*m/s^2
kg *m/s
N/kg
37
What is acceleration?
How distance changes over time
How time changes by distance
How velocity changes over time
38
The force of gravity on an object
Weight
Inertia
Mass
Kilograms
39
What is refractive index?
Measurement of how water changes light
Measurement of how something bends light
Measurement of light frequency
40
Newtons has more than 4 laws
False
True
41
Which of the following are SI units?
mL
g
km
kg
42
What one of Newtons laws does impulse relate to ?
2nd
3rd
4th
1st
43
What does a convex Lens do???
It does ABSOLUTELY NOTHING
it makes things look bigger!!
It just stays the same
It makes things look smaller!!
44
How to calculate Momentum
Distance over time
Speed multiplied by time
Mass times acceleration
Mass times velocity
45
What is speed?
The distance between two corresponding parts of a wave.
How far away travels in a given amount of time.
number of waves that pass a point in a certain time.
What frequency is measured in
46
What is a Virtual image?
Image formed by light coming from and apparent light source
An image created using a biconvex lens
Rays actually arriving at the image location, forms image
S.A.L.T
47
What are the standard units for distance
Millimeters
Kilometers
Meters
Centimeters
48
A prefix meaning one thousand standard units is ____________.
centi-
milli-
deci-
kilo-
49
If an object is in free fall, what would the acceleration be?
Cannot say
9.81 m/s2 downwards
0 m/s2
9.81 m/s2
50
The rate of change of velocity with respect to time
Deceleration
Acceleration
Airfoil
Drag
51
A plane mirror is
Snitches get stitches
Ms moser.
A flat mirror
A lens
52
Which of these is momentum not conserved?
car hitting wall
tennis racquet hitting ball
2 cars colliding
53
what is a convex lens?
a lens that makes items smaller
a opaque object
a crate
a lens that makes items larger
54
The refractive index is equal to...
sine angle of incidence divided by sine angle of refraction
the frequency of the wave
the speed of the light wave
the Critical angle
55
What are SI Units?
A system of units standard to the US, Liberia, and Myanmar.
Used in Density calculations to explain size.
Language of Physics
An internationally accepted unit of measurement
56
what is reflection?
a mirror
bouncing of light off a surface
a sound wave
wave length
