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Modern Physics II - SS3 Physics Past Questions and Answers - page 2

11

What is the basic principle behind a nuclear reactor?

A

Nuclear fusion

B

Nuclear fission

C

Radioactive decay

 

D

Nuclear transmutation

correct option: b
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12

What is the most common material used as fuel in nuclear power plants?

A

Uranium-235

B

Plutonium-239

 

C

Thorium-232

D

Hydrogen-1

correct option: a
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13

What are semiconductors?

Semiconductors are electrical components that are able to conduct electricity yet are also able to insulate. Thus, they are a mix between conductors (such as metals) and insulators (such as rubber). They are an intermediate between a good conductor and a good insulator.

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14

What is a nuclear power plant?

Nuclear power plants generate electricity by harnessing the energy released by nuclear reactions, typically through the process of nuclear fission. Nuclear energy is a relatively clean and efficient source of electricity, but it also poses unique safety and security challenges. The design, operation, and regulation of nuclear power plants require a thorough understanding of nuclear physics and radiation science.

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15

What is a nuclear power plant?

Nuclear power plants generate electricity by harnessing the energy released by nuclear reactions, typically through the process of nuclear fission. Nuclear energy is a relatively clean and efficient source of electricity, but it also poses unique safety and security challenges. The design, operation, and regulation of nuclear power plants require a thorough understanding of nuclear physics and radiation science.

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