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महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Identify the Process Shown in Figure and Name It. - Science and Technology 2

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प्रश्न

Identify the process shown in the figure and name it.

आकृती
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उत्तर

The given figure is of nuclear fission (Chain reaction).

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2018-2019 (March) Set 1

संबंधित प्रश्‍न

What are the characteristics of an ideal fuel (or good fuel)?


Name the type of nuclear reaction which is involved in the working of: 

 a hydrogen bomb.


 Why are very high temperatures required for fusion to occur? 


 What is the source of energy of the sun and other stars?


Which of the following is used as a moderator in the reactor of a nuclear power station?

(a) liquid sodium
(b) boron
(c) graphite
(d) carbon dioxide


One eV (electron volt) of nuclear energy is equivalent of:

(a) 1.6 × 10−14 J
(b) 1.6 × 10−12 J
(c) 1.6 × 10−19 J
(d) 1.6 × 10−13 J


The mass numbers of four elements A, B, C and D are 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make: 

a hydrogen bomb?


A nuclear reactor has half the length of all its control rods inserted in graphite. What must be done so that the reactor produces more heat? Explain your answer.


Name the process used to harness nuclear energy these days. Explain it briefly. List two advantages of using nuclear energy in place of fossil fuels. 


State, giving reason, whether the following nuclear decay is allowed or not?

\[\ce{_Z^AX -> _Z^AQ + γ}\] 


The nucleus 84X202emits an alpha particle and forms the nucleus Y. Represent this change in the form of an equation. 


What are beta rays and gamma rays?


Draw a simplified labelled diagram of a hot cathode ray tube.


An element X has the symbol 84X202. It emits an alpha-particle and then a beta-particle. The final nucleus is bYa. Find a and b.


Complete the following fission reaction:

\[\ce{_92U^235 _0n^1 -> _aSb^133 + _41Co^b + 4_0n_1 + energy}\]

Write down the values of a and b.


Analogy:

Kayatharu in Tirunelveli district:: Windmills.
Koodankulam in Tirunelveli district:: ______.


Which is the process used to harness nuclear energy these days? Explain it briefly.


Give scientific reasons.

It is absolutely necessary to control the fission reaction in nuclear power plants.


Give scientific reason.

It is absolutely necessary to control the fission reaction in nuclear power plants.


Give scientific reason.

It is absolutely necessary to control the fission reaction in nuclear power plants.


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