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Exam 6: Energy From Alternative Sources

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Question 1

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Which example is both a type of nuclear radiation and electromagnetic radiation?

A) Microwave radiation
B) Gamma radiation
C) Alpha rays
D) Ultraviolet radiation

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Question 2

Multiple Choice

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If 1.8 * 10¹⁴ J is released in a nuclear reaction,how much matter was lost?

A) 2.0 * 10¯³ kg
B) 7.2 * 10² kg
C) 6.0 * 10⁵ kg
D) 1.6 * 10³¹ kg

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Question 3

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Which naturally occurring radioactive particles are the size of a helium nucleus?

Which of these is not a realistic risk associated with nuclear power plants?

Which is a known risk associated with nuclear power plants?

Which of the following is not seen as an advantage of increasing our use of solar energy?

Which argument(s) for the increasing use of solar energy is/are valid? I.Solar cells are becoming cheaper and increasingly more efficient II.The cost of generating electricity from fossil fuels is increasing III.Limited and uncertain supply and the increasing requirements for pollution control are raising the cost of using fossil fuels

What sort of energy is associated with energy from wind?

How much energy is equivalent to 1.0 *. 10¯⁴ kg of matter? (Speed of light = 3.0 * 10⁸ m/s)

Which of the following is not an advantage of locating wind turbines off-shore instead of on land?

Which unit is commonly used by utilities to measure the amount of electrical energy consumed?

Waste created at these power plants must be stored indefinitely.

Which increases the efficiency of a photovoltaic or solar cell? I.Replacing crystalline silicon with its non-crystalline form II.Increasing the number of alternating p- and n-type layers of semiconductors III.Decreasing the thickness of each alternating p- and n-type layer of semiconductor

Which is a common characteristic of both nuclear and conventional electric power plants?

Fission is the process of creating energy by

Which is not true of radioactive half-life? Radioactive half-life is

Complete the following statement while ignoring any thermodynamic considerations.A candle may be considered a more efficient producer of light than a flashlight because it

Which feature or process is unique to nuclear power plants when compared to conventional coal-burning power plants?

Which of these locations would be best suited to geothermal energy as a source to operate homes?

To meet the electricity needs of the entire United States,a solar array the size of __________ would be required.