Physics for IGCSE & O level - Forces And Energy (Section 3)
1
What type of energy transformation occurs in a coal-fired power station?
2
What is a major advantage of using wave energy?
پاسخ دهید(A)
No damage to the environment
3
What is a consequence of burning coal?
پاسخ دهید(A)
Creation of sulfur dioxide
4
Why is wind energy considered a renewable resource?
پاسخ دهید(B)
Wind is constantly replenished by the sun
5
What type of energy is stored in a stretched rubber band?
6
What is one disadvantage of solar energy?
پاسخ دهید(C)
Intermittent availability
7
What is one problem with nuclear energy?
8
Which of these are necessary to do work?
9
What are the main products in a chemical reaction?
10
In a simple energy transformation, where does the lost energy go?
پاسخ دهید(B)
It converts into heat, sound, or other forms of energy.
11
What is a problem with using fossil fuels?
12
What is the source of energy for geothermal power?
13
What is the main function of a wave power generator?
پاسخ دهید(A)
To harvest energy from the movement of the ocean waves
14
What is the relationship between potential energy and height?
پاسخ دهید(C)
Potential energy increases with height.
15
Which of the following cause air pollution?
16
Which of the following converts solar energy directly into electricity?
17
Which are ways that energy can be used?
18
What can you use to reduce the impact of burning wood?
19
Which of the following is a form of energy transfer?
20
Which of the following is an example of potential energy?
پاسخ دهید(B)
A book sitting on a shelf
21
What is needed to determine the efficiency of a machine?
22
Which of the following is a form of potential energy?
23
What is the main use of fossil fuels in power stations?
24
In a car engine, what is the initial source of energy?
25
Which of the following is a good example of elastic potential energy?
26
What is the unit of work?
27
What are the disadvantages of using nuclear power stations?
پاسخ دهید(C)
They create small quantities of radioactive waste
28
What is the formula for calculating power?
29
Which of the following are advantages of solar energy?
30
Why do nuclear power stations use uranium?
پاسخ دهید(A)
Because it produces a lot of heat
31
What will fossil fuels produce when burned?
32
What is the role of a dam in a hydroelectric power scheme?
33
Which energy source relies on the Earth's internal heat?
34
What are the units of power?
35
What is the biggest issue with the use of fossil fuels?
پاسخ دهید(C)
They release greenhouse gases
36
Which of the following is an environmental problem associated with using tidal energy?
37
What is the unit of power?
38
How do power plants generate electricity?
پاسخ دهید(B)
By spinning a turbine which turns a generator
39
Which of the following is an example of a bio fuel?
40
What is an example of pollution problems?
41
What is the efficiency formula?
پاسخ دهید(B)
Useful power output / total power input
42
What is a source of power that does not rely on fossil fuels?
43
What are the benefits of solar energy?
44
Which of the following represents a transfer of energy?
45
In the formula W = F × d, what does 'd' represent?
پاسخ دهید(A)
Distance moved in the direction of the force
46
What do we call the process of splitting atoms?
47
What are the advantages of geothermal energy?
48
How is the energy in the form of light and sound waves described?
49
What type of energy transformation occurs in a coal-fired power station?
50
What process does nuclear fission involve?
پاسخ دهید(A)
Splitting of atomic nuclei
