Test
AQA GCSE Physics Unit 2
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Preguntas del test (44)
1What does the gradient on a distance-time graph represent?
- ASpeed
- BAcceleration
- CDistance travelled
2Velocity of an object the speed of an object in a given direction
- AVerdadero
- BFalso
3What does the gradient of a velocity-time graph represent?
- AAcceleration
- BSpeed
- CDistance
4Distance travelled by an object can be calculated from a distance-time graph
- AVerdadero
- BFalso
5What is newtons third law?
- AEvery action has an equal and opposite reaction
- BAn object will remain at rest unless acted upon by an external force
6The combined effect of all forces acting upon an object is called the...
- AResultant force
- BDrag force
- CNewton
7If the resultant force on an object is zero it will...
- Aremain stationary
- Baccelerate in the direction of the resultant force
8If the resultant force on an object is not zero it will...
- Aremain stationary
- Baccelerate in the direction of the resultant force
9When a vehicle is driving at a steady speed the resistive forces balance the driving force
- AVerdadero
- BFalso
10What are 3 things that could effect the drivers reaction time?
- ADrugs
- BTiredness
- CAlcohol
- DShoe colour
- EDiet
- FExercise
11What happens when brakes are applied on a car...
- Athere is friction between the brakes and the wheel reducing the kinetic energy of the vehicle
- Bthe car speeds up
- Cthe friction between the brakes and wheels increase the kinetic energy of the car
12The __________ an object moves through a fluid the __________ the frictional force that acts on it
- AFaster, slower
- BFaster, greater
- CSlower, greater
13when the resultant force of an object is zero it will move at its terminal velocity
- AVerdadero
- BFalso
14What might a force being applied to an object cause?
- Astretching or squashing
- BChanging its shape
- CChanging its volume
- DChanging its colour
15An elastic object can't recover its original shape when stretched
- AVerdadero
- BFalso
16The extension of an elastic object is directly proportional to...
- AThe force applied
- BThe mass of the object
- CThe length of spring
17When a force causes an object to move through a distance work is done
- AVerdadero
- BFalso
18In a closed system the total momentum before an event is _______ to the total momentum after an event, what is this called?
- AEqual, Conservation of momentum
- BMore, conservation of momentum
- CEqual, conservation of minstrels
19Which type of materials rub together to become electrically charged?
- AMetal
- BReactive
- CInsulating
- DConductor
20Losing electrons means a material becomes...
- ANegatively charged
- BPositively charged
21If two objects have the same charge will they repel or attract each other?
- ARepel
- BAttract
22What is the electrical symbol for a diode?
- A
- B
- C
- D
- A
23which is the current-potential difference graph?
- A
- B
- C
- A
24which graph shows the current flowing through a diode?
- Athis one
- BThis one
- Athis one
25Is the potential difference in a series or parallel circuit the same across each component?
- ASeries
- BParallel
26Is the current in a series or parallel circuit the same across each component?
- Aseries
- Bparallel
27The current through a resistor is directly proportional to the potential difference across the resistor
- AVerdadero
- BFalso
28Resistance of an LDR increases as the light intensity increases
- AVerdadero
- BFalso
29What is the a.c. supply in the UK?
- A230V
- B230Hz
- C230
30What colour is the live wire?
- Ablue
- Byellow and green
- Cbrown
31What colour is the neutral wire?
- Abrown
- Byellow and green
- Cblue
32If the current in a fuse wire gets too high the fuse will melt breaking the circuit
- AVerdadero
- BFalso
33when an electrical charge flows through a resistor so it cools
- AVerdadero
- BFalso
34what is in the nucleus of an atom?
- AProtons and neutrons
- BElectrons and neutrons
- CElectrons and protons
35What is the relative charge of a proton?
- A+1
- B0
- C-1
36electrons have a relative mass of 0.005
- AVerdadero
- BFalso
37Which rays are most penetrating?
- AAlpha
- BBeta
- CGamma
38Which type of radiation isnt deflected by both electric and magnetic fields?
- AAlpha
- BBeta
- CGamma
39Half life is the time taken for the number of unstable nuclei in a sample to halve
- AVerdadero
- BFalso
40What are the two fissionable substances?
- Aplutonium 239 and uranium 265
- Bplutonium 239 and uranium 235
41The nucleus undergoing fission splits into 2 smaller nuclei and two or three whats are released?
- Anuclei
- Belectrons
- Cneutrons
42Fusion is the joining of two _____?
- ANeutrons
- BElectrons
- CNuclei
43Stars form when what from space is pulled together?
- Aplanets and dust
- Bdust and rocks
- Cgas and dust
44During the main sequence period of its life cycle the star is stable as the forces are balanced
- AVerdadero
- BFalso
Información
- Descripción
- A quick summary quiz of AQA Physics unit 2
- Autor
- Gabi Germain
- Idioma
- English
- Visitas
- 711
- Etiquetas
- Valoración
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