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

Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________ - Science and Technology 2

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प्रश्न

Hydroelectric power station : Water stored in dams : : Nuclear power station : ____________

रिकाम्या जागा भरा

उत्तर

Hydroelectric power station : Water stored in dams : : Nuclear power station : Uranium

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Towards Green Energy - Relate the following

संबंधित प्रश्‍न

Arrange the following fuels in the order of increasing calorific values (keeping the fuel with lowest calorific value first):
LPG, Coal, Alcohol, Dung cakes, Diesel 


State one use of nuclear fission reactions. 


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


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

What is the function of boron rods in the nuclear reactor?


how is heat removed from the reactor core, and what use is made of this heat?


The 'coolants' which can be used in the reactor of a nuclear power station are:

(a) liquid mercury and nitrogen dioxide
(b) liquid sodium and carbon dioxide
(c) liquid ammonia and carbon monoxide
(d) liquid boron and uranium oxide

 

In a nuclear power plant, coolant is a substance:

(a) which cools the hot, spent steam to condense it back to water
(b) which transfers heat from reactor to water in heat exchanger
(c) which is boiled to make steam to turn the turbine
(d) which cools the generator coils to prevent their overheating.


Which of the following can be produced during the nuclear fission as well as nuclear fusion reactions?

(a) protons
(b) deutrons
(c) electrons
(d) neutrons


A nuclear reaction is represented by the following equation:

`""_92^235U+_0^1n-> _56^139Ba+_36^94Kr+xc+E`  

 What does E represent?


Which of the following statements are correct?

 Neutrons have


What is the meaning of mass number?


What is the effect on the atomic mass and the atomic number of a radioactive element, after the emission of an α-particle?


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


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


An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Find the number of protons and neutrons in its nucleus.


An isotope of uranium is 92Y238, i.e., it has mass number 235 and atomic number 92.
Mention the relationship between 92U235 and 92U238.


Write a short note.

Problems due to nuclear power plant


One of the atomic power stations is located in ______.


Analogy:

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


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


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