# AQA GCSE Physics Unit 2

### Description

A quick summary quiz of AQA Physics unit 2
Quiz by Gabi Germain, updated more than 1 year ago
 Created by Gabi Germain almost 9 years ago
581
31

## Resource summary

### Question 1

Question
What does the gradient on a distance-time graph represent?
• Speed
• Acceleration
• Distance travelled

### Question 2

Question
Velocity of an object the speed of an object in a given direction
• True
• False

### Question 3

Question
What does the gradient of a velocity-time graph represent?
• Acceleration
• Speed
• Distance

### Question 4

Question
Distance travelled by an object can be calculated from a distance-time graph
• True
• False

### Question 5

Question
What is newtons third law?
• Every action has an equal and opposite reaction
• An object will remain at rest unless acted upon by an external force

### Question 6

Question
The combined effect of all forces acting upon an object is called the...
• Resultant force
• Drag force
• Newton

### Question 7

Question
If the resultant force on an object is zero it will...
• remain stationary
• accelerate in the direction of the resultant force

### Question 8

Question
If the resultant force on an object is not zero it will...
• remain stationary
• accelerate in the direction of the resultant force

### Question 9

Question
When a vehicle is driving at a steady speed the resistive forces balance the driving force
• True
• False

### Question 10

Question
What are 3 things that could effect the drivers reaction time?
• Drugs
• Tiredness
• Alcohol
• Shoe colour
• Diet
• Exercise

### Question 11

Question
What happens when brakes are applied on a car...
• there is friction between the brakes and the wheel reducing the kinetic energy of the vehicle
• the car speeds up
• the friction between the brakes and wheels increase the kinetic energy of the car

### Question 12

Question
The __________ an object moves through a fluid the __________ the frictional force that acts on it
• Faster, slower
• Faster, greater
• Slower, greater

### Question 13

Question
when the resultant force of an object is zero it will move at its terminal velocity
• True
• False

### Question 14

Question
What might a force being applied to an object cause?
• stretching or squashing
• Changing its shape
• Changing its volume
• Changing its colour

### Question 15

Question
An elastic object can't recover its original shape when stretched
• True
• False

### Question 16

Question
The extension of an elastic object is directly proportional to...
• The force applied
• The mass of the object
• The length of spring

### Question 17

Question
When a force causes an object to move through a distance work is done
• True
• False

### Question 18

Question
In a closed system the total momentum before an event is _______ to the total momentum after an event, what is this called?
• Equal, Conservation of momentum
• More, conservation of momentum
• Equal, conservation of minstrels

### Question 19

Question
Which type of materials rub together to become electrically charged?
• Metal
• Reactive
• Insulating
• Conductor

### Question 20

Question
Losing electrons means a material becomes...
• Negatively charged
• Positively charged

### Question 21

Question
If two objects have the same charge will they repel or attract each other?
• Repel
• Attract

### Question 22

Question
What is the electrical symbol for a diode?

### Question 23

Question
which is the current-potential difference graph?

### Question 24

Question
which graph shows the current flowing through a diode?
• this one
• This one

### Question 25

Question
Is the potential difference in a series or parallel circuit the same across each component?
• Series
• Parallel

### Question 26

Question
Is the current in a series or parallel circuit the same across each component?
• series
• parallel

### Question 27

Question
The current through a resistor is directly proportional to the potential difference across the resistor
• True
• False

### Question 28

Question
Resistance of an LDR increases as the light intensity increases
• True
• False

### Question 29

Question
What is the a.c. supply in the UK?
• 230V
• 230Hz
• 230

### Question 30

Question
What colour is the live wire?
• blue
• yellow and green
• brown

### Question 31

Question
What colour is the neutral wire?
• brown
• yellow and green
• blue

### Question 32

Question
If the current in a fuse wire gets too high the fuse will melt breaking the circuit
• True
• False

### Question 33

Question
when an electrical charge flows through a resistor so it cools
• True
• False

### Question 34

Question
what is in the nucleus of an atom?
• Protons and neutrons
• Electrons and neutrons
• Electrons and protons

### Question 35

Question
What is the relative charge of a proton?
• +1
• 0
• -1

### Question 36

Question
electrons have a relative mass of 0.005
• True
• False

### Question 37

Question
Which rays are most penetrating?
• Alpha
• Beta
• Gamma

### Question 38

Question
Which type of radiation isnt deflected by both electric and magnetic fields?
• Alpha
• Beta
• Gamma

### Question 39

Question
Half life is the time taken for the number of unstable nuclei in a sample to halve
• True
• False

### Question 40

Question
What are the two fissionable substances?
• plutonium 239 and uranium 265
• plutonium 239 and uranium 235

### Question 41

Question
The nucleus undergoing fission splits into 2 smaller nuclei and two or three whats are released?
• nuclei
• electrons
• neutrons

### Question 42

Question
Fusion is the joining of two _____?
• Neutrons
• Electrons
• Nuclei

### Question 43

Question
Stars form when what from space is pulled together?
• planets and dust
• dust and rocks
• gas and dust

### Question 44

Question
During the main sequence period of its life cycle the star is stable as the forces are balanced
• True
• False