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

Nuclear power plants in India - Science and Technology 2

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प्रश्न

Nuclear power plants in India

एका वाक्यात उत्तर

उत्तर

Kudankulam, Tarapur, Rawatbhata, Kaiga

shaalaa.com
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पाठ 5: Towards Green Energy - Name the following

संबंधित प्रश्‍न

Describe the process by which energy is released in the sun. Write the equation of the nuclear reaction involved. 


 If 25 atomic mass units (u) of a radioactive material are destroyed in a nuclear reaction, how much energy is released in MeV?


State the disadvantages of nuclear energy.


The following question are about the nuclear reactor of a power plant. 

Will the fuel rods last for ever?


In the reactor of a nuclear power plant, name the material which is used:

(a) as a moderator
(b) to absorb radiations
(c) in the fuel rods
(d) in the control rods
(e) to carry away heat


 Calculate the energy released in joules when 5 g of a material is completely converted into energy doing a nuclear reaction.


The control rods used in the reactor of a nuclear power plant are made of:

(a) steel
(b) graphite
(c) uranium
(d) boron


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


Give scientific reason: 

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


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. 


Write the approximate mass of a proton, neutron and electron in a.m.u.


How does the position of an element change in the periodic table when it emits out an alpha particle?


What happens to the atomic number of an element when it emits an alpha particle.


A certain nucleus X has a mass number 14 and atomic number 6. The nucleus X changes to `"_7Y^14` after the loss of a particle. Represent this change in the form of an equation.


A certain nucleus X has a mass number 15 and atomic number 7. Find the number of neutrons. The nucleus X losses one proton and Express the change and write the symbol of the new nucleus.


Define.

Nuclear fission


Give scientific reason.

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


Give scientific reasons.

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


Why is nuclear fission useful to mankind?


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