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Physics for IGCSE & O level - Forces And Energy (Section 6)

1
What is one of the main problems associated with nuclear power?
Answer
(B)
Creates radioactive waste
2
Where is energy stored in solids?
Answer
(B)
By motion of the particles.
3
What type of energy does a stretched rubber band possess?
Answer
(B)
Elastic energy
4
What problem is associated with the building of dams?
Answer
(C)
They flood the land
5
What is the main environmental issue associated with nuclear energy?
Answer
(C)
Radioactive waste disposal
6
Which of the following is NOT a form of potential energy?
Answer
(C)
Thermal
7
What is a potential issue with the use of geothermal energy?
Answer
(C)
Difficult drilling
8
How is work calculated?
Answer
(D)
Force x Distance
9
What type of energy is stored in food?
Answer
(C)
Chemical
10
What can you consider the benefits of the renewable energies?
Answer
A
C
11
What is an advantage of using renewable energy sources?
Answer
(C)
Reduced greenhouse gas emissions
12
What is the source of energy for Nuclear Power Stations?
Answer
(C)
Nuclear Fission
13
What is the fuel used in a nuclear power plant?
Answer
(C)
Uranium
14
What is the efficiency of an engine measured by?
Answer
(D)
The amount of energy converted to a useful form.
15
Which of the following is a source of renewable energy?
Answer
(C)
Solar
16
What type of energy is derived from the sun's rays?
Answer
(B)
Solar
17
What is the formula for kinetic energy?
Answer
(B)
KE=1/2mv^2
18
Which energy source relies on the movement of water?
Answer
A
B
D
19
Which of the following are a part of thermal power station?
Answer
A
B
C
D
20
If an object is moving, what kind of energy does it possess?
Answer
(B)
Kinetic energy
21
Which source of energy is the basis for the production of biofuels?
Answer
(D)
Plants
22
What is one disadvantage of solar panels?
Answer
(C)
Needs a large area
23
What is the unit of energy?
Answer
(C)
Joule
24
Which of the following is a main advantage of solar energy?
Answer
(C)
Produces no pollution.
25
What is potential energy (PE)?
Answer
(B)
Energy stored by an object
26
When work is done, what is always transferred?
Answer
(B)
Energy
27
Which of the following best describes the law of conservation of energy?
Answer
(D)
Energy is neither created nor destroyed, but changes form.
28
Which of the following is an example of a renewable energy source?
Answer
(C)
Wind
29
What does work require?
Answer
(A)
A force making something move
30
What is the main process that leads to the global warming?
Answer
(B)
Greenhouse effect
31
Which of the following is a potential environmental risk related to nuclear power stations?
Answer
(C)
Radioactive waste
32
What percentage of energy in the USA is used by industry?
Answer
(B)
30%
33
Which energy resource is used to power wind turbines?
Answer
(D)
Wind
34
What is used to generate electricity in wind turbines?
Answer
(C)
The movement of air
35
What energy source is harnessed in tidal power stations?
Answer
(C)
Tides
36
Which is the main energy source on earth?
Answer
(B)
Sun
37
Which factor is NOT a problem associated with the use of fossil fuels?
Answer
(C)
They are renewable
38
How can you increase the potential energy of an object?
Answer
(C)
Increase the object's height
39
What type of energy is wave energy?
Answer
(B)
Kinetic energy
40
What transfers energy from a battery?
Answer
(A)
An electric motor
41
What is the formula for power?
Answer
(A)
Power = Work / Time
42
What is a problem associated with geothermal energy?
Answer
(C)
Difficult to drill
43
Which energy source depends on the Earth's internal heat?
Answer
(C)
Geothermal
44
Which factor is a problem associated with hydroelectric power?
Answer
(B)
They require a large land area
45
What type of energy does a battery have?
Answer
(D)
Chemical energy
46
What is the source of energy for tidal power?
Answer
(B)
The moon's gravity
47
What are engines and motors designed to do?
Answer
(C)
Make things move
48
What is the unit of work?
Answer
(B)
Joule
49
What is the kinetic energy of an object dependent on?
Answer
A
C
50
Which energy resource can be found in the ground, that can be extracted?
Answer
(C)
Natural Gas