Transcript Physics 1 of 4 CG final

Round 1 QUESTIONS
1) Aaron’s game boy uses 20J for
sound and 70J for light in 3
seconds. How much power does
Aarons game boy use?
30W
Aaron is a loser for
playing game boy
50W
25W
2) What is Electric
Current?
The rate
A of flow
of chocolate
B electricity
The rate of
Lighting
C going
through a wire
The rate
of
D
flow of charge
3) Which component has
the symbol
Open switch
LDR
Closed switch
Diode
4) Which component has
the symbol
Cell
Fuse
Battery
Lamp
5) _____ charged electrons are
rubbed off one material to the
other to make them electrically
charged.
Positively
Statically
Electrically
Negatively
6) A charged body can be
discharged by connecting
it to what?
Water
Fire
Earth
Oxygen
7) Isotopes of an element have a
different number of ...
protons
electrons
neutrons
atoms
8) What is nuclear
fission?
Splitting atomic
Anuclei
Nuclear power
transferred
C
through heat
Joining atomic
Bnuclei
Nuclear rods
being sent
D to a
factory
9) What two common
substances are used in
nuclear reactors.
Uranium 253 +
A
Plutonium 239
Uranium 239 +
B
Plutonium 235
C
Gold + Silver
Uranium 235 +
D
Plutonium 239
10) What does the
fissionable substances
need to do for fission to
occur.
A a neutron
Release
B a neutron
Destroy
AbsorbC a neutron
AbsorbD a proton
Round 2 QUESTIONS
1) What does A.C stand
for?
A
Air Conditioning
Area Code
C
Attachment
B
Circuit
Alternating
D
Current
2) What colour is the
Earth wire?
Blue
Yellow
Green & yellow
Brown
3) What is the best
material to have as plug
casing?
Copper
Plastic
Brass
Rubber
4) What is the best
material to have as plug
pins?
Copper
Plastic
Brass
Rubber
5) Momentum is the
product of…
SpeedAand Mass
B and Force
Velocity
C Velocity
Mass and
Force Dand Speed
6) The faster a body is
moving the more......it
has
A energy
Chemical
KineticB energy
ElasticCenergy
D energy
Potential
7) Momentum has both…
Magnitude
and
A
direction
C and um
Moment
Gravitational
and
B
Kinetic energy
Acceleration
D
and velocity
8) What colour is the
neutral wire in a mains
plug?
Brown
Green
Purple
Blue
9) What does d.c. stand
for?
Dangerous
circuit
A
DirectBCorrection
Direct Ccurrent
Digital Dcurrent
10) How is work done
calculated?
Force /Adistance
Force +B distance
Force x
C
mass
Force xDdistance
Round 3 QUESTIONS
1) What is work done
against frictional force
mostly converted into
LIGHT
A
SOUND
B
HEAT
C
KINETIC
D
2) Calculate the work done to
move a box of feather
weighing 6N along a 50km
wooden track
A J
300
B J
600
C
3,000,000
J
D
300,000
J
3) What does kinetic
energy of a body
depend on?
Mass and
A
Direction
Mass Band Speed
Speed and
C
Distance
Direction and
D
Distance
4) As the temperature of
a filament lamp
increases what happens
to the resistance?
Increases
A
Decreases
B
Stays the
C same
Goes out of
D
control
5) What is the symbol for
a thermistor ?
A
B
C
D
6) What does the slope on
a distance-time graph
represent?
Distance
A
Time
B
Acceleration
C
Speed
D
7) What does the slope on
a velocity-time graph
represent?
Distance
A
Time
B
Acceleration
C
Speed
D
9) What is the
acceleration measured
in?
m/s2
m/h
m/s
m/h2
10) What does the flat
section on a V-T
graphs show?
Not moving
Moving at a
steady
speed
Slowing down
Speeding up
Round 4 QUESTIONS
1) What is the G.F.S on
Earth?
1.6 AN/Kg
1.0
B N
10CN
10 N/Kg
D
2) How is stopping
distance calculated?
Thinking A+ braking
Thinking B/ braking
Thinking C
- braking
Thinking D
x braking
3) Which factor can
affect braking
distance?
How bad the
A
visibility is
What time of
B
day it is
How much you have
C
had to drink
How many
passengers
D
you have
4) Which of the following
doesn’t use static
electricity?
Photocopiers
A
Fuel filling
B stations
Smoke precipitators
C
Paper Drollers
5) If you increase the
voltage what will
happen to the current?
It will A
decrease
It will stay
B the same
It will increase
C
It will
D half
6) If you increase the
resistance what will
happen to the current?
It will A
decrease
It will stay
B the same
It will increase
C
It will
D half
7) Which of the following
is not a natural form
of background
radiation?
Cosmic
A rays
Radon
B gas
Rocks
C
Medical
D
8) As you decrease the
temperature what
happens to the
resistance of a
thermistor?
It will decrease
A
It will stayB the same
It will increase
C
It willDhalf
9) What is the mass of a
neutron?
Negligible
A
1
B
0C
-1
D
10) Which sort of
radioactive decay
releases 2 protons and
2 neutrons?
alpha
A
beta
B
gamma
C
helium
D
Round 1 ANSWERS
1) Aaron’s game boy uses 20J for
sound and 70J for light in 3
seconds. How much power does
Aarons game boy use?
C
30W
Aaron is a loser for
playing game boy
50W
25W
2) What is Electric
Current?
The rate
A of flow
of chocolate
The rate B
of electricity
Lighting
C going
through a wire
The
D
flow of current
C
3) Which component has
the symbol
C
Open switch
LDR
Closed switch
Diode
4) Which component has
the symbol
C
Cell
Fuse
Battery
Lamp
5) _____ charged electrons are
rubbed off one material to the
other to make them electrically
charged.
Positively
Statically
Electrically
Negatively
C
6) A charged body can be
discharged by connecting
it to what?
C
Water
Fire
Earth
Oxygen
7) Isotopes of an element have a
different number of ...
C
protons
electrons
neutrons
atoms
8) What is nuclear
fission?
C
Splitting atomic
Anuclei
Nuclear power
transferred
C
through heat
Joining atomic
Bnuclei
Nuclear rods
being sent
D to a
factory
9) What two common
substances are used in
nuclear reactors.
Uranium 253 +
A
Plutonium 239
Uranium 239 +
B
Plutonium 235
C
Gold + Silver
Uranium 235 +
D
Plutonium 239
C
10) What does the
fissionable substances
need to do for fission to
occur.
C
A a neutron
Release
B a neutron
Destroy
AbsorbC a neutron
AbsorbD a proton
Round 2 ANSWERS
1) What does A.C stand
for?
A
Air Conditioning
Area Code
C
Attachment
B
Circuit
Alternating
D
Current
C
2) What colour is the
Earth wire?
C
Blue
Yellow
Green & yellow
Brown
3) What is the best
material to have as plug
casing?
Copper
Plastic
Brass
Rubber
C
4) What is the best
material to have as plug
pins?
C
Copper
Plastic
Brass
Rubber
5) Momentum is the
product of…
C
SpeedAand Mass
B and Force
Velocity
C Velocity
Mass and
Force Dand Speed
6) The faster a body is
moving the more......it
has
A energy
Chemical
KineticB energy
ElasticCenergy
D energy
Potential
C
7) Momentum has both…
C
Magnitude
and
A
direction
C and um
Moment
Gravitational
and
B
Kinetic energy
Acceleration
D
and velocity
8) What colour is the
neutral wire in a mains
plug?
Brown
Green
Purple
Blue
C
9) What does d.c. stand
for?
C
Dangerous
circuit
A
DirectBCorrection
Direct Ccurrent
Digital Dcurrent
10) How is work done
calculated?
Force /Adistance
Force +B distance
Force x
C
mass
Force xDdistance
C
Round 3 ANSWERS
1) What is work done
against frictional force
mostly converted into
C
LIGHT
A
SOUND
B
HEAT
C
KINETIC
D
2) Calculate the work done to
move a box of feather
weighing 6N along a 50km
wooden track
A J
300
B J
600
C
3,000,000
J
D
300,000
J
C
3) What does kinetic
energy of a body
depend on?
Mass and
A
Direction
Mass Band Speed
Speed and
C
Distance
Direction and
D
Distance
C
4) As the temperature of
a filament lamp
increases what happens
to the resistance?
C
Increases
A
Decreases
B
Stays the
C same
Goes out of
D
control
5) What is the symbol for
a thermistor ?
A
B
C
D
C
6) What does the slope on
a distance-time graph
represent?
Distance
A
Time
B
Acceleration
C
Speed
D
C
7) What does the slope on
a velocity-time graph
represent?
C
Distance
A
Time
B
Acceleration
C
Speed
D
8) What happens to a
moving object if the
resultant force on it is
zero?
A
It Stops
B Moving
It keeps
It ChangeCDirection
It speeds up
C
9) What is the
acceleration measured
in?
C
m/s2
m/h
m/s
m/h2
10) What does the flat
section on a V-T
graphs show?
Not moving
Moving at a
steady
speed
Slowing down
Speeding up
C
Round 4 ANSWERS
1) What is the G.F.S on
Earth?
1.6 AN/Kg
1.0
B N
10CN
10 N/Kg
D
C
2) How is stopping
distance calculated?
C
Thinking A+ braking
Thinking B/ braking
Thinking C
- braking
Thinking D
x braking
3) Which factor can
affect braking
distance?
How bad the
A
visibility is
What time of
B
day it is
How much you have
C
had to drink
How many
passengers
D
you have
C
4) Which of the following
doesn’t use static
electricity?
Photocopiers
A
Fuel filling
B stations
Smoke precipitators
C
Paper Drollers
C
5) If you increase the
voltage what will
happen to the current?
C
It will A
decrease
It will stay
B the same
It will increase
C
It will
D half
6) If you increase the
resistance what will
happen to the current?
C
It will A
decrease
It will stay
B the same
It will increase
C
It will
D half
7) Which of the following
is not a natural form
of background
radiation?
Cosmic
A rays
Radon
B gas
Rocks
C
Medical
D
C
8) As you decrease the
temperature what
happens to the
resistance of a
thermistor?
C
C
It will decrease
A
It will stayB the same
It will increase
C
It willDhalf
9) What is the mass of a
neutron?
Negligible
A
1
B
0C
-1
D
C
10) Which sort of
radioactive decay
releases 2 protons and
2 neutrons?
C
alpha
A
beta
B
gamma
C
helium
D