12th Standard Syllabus & Materials
12th Standard
TN 12th Computer Applications மின்னணு தரவு பரிமாற்றம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின்னணு செலுத்தல் முறைகள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications மின் - வணிகம் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications திறந்த மூல கருத்துருக்கள் Sample Question Papers Study Material - QB365 Set A
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TN 12th Computer Applications வலையமைப்பு வடமிடல் Sample Question Papers Study Material - QB365 Set A
Published on: 18/06/2021
QB365 provides detailed and simple solution for every Creative Questions in class 12 Physics Subject. It will helps to get more idea about question pattern in
every Creative questions with solution.
Download Tamil Nadu 12th Standard Physics question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.
Questions + Answers key
Take MCQ Physics Test1.
What is the reason for using lighter nuclei as moderators?
2.
Define Roentgen.
3.
What are the essential parts of a nuclear reactor?
4.
What is nuclear chain reaction?
5.
Which ray has high ionising power? Why?
1.
The moderator is a material used to convert fast neutrons into slow neutrons
(i) A billiard ball striking a stationary billiard ball of equal mass would itself be stopped but the same billiard ball bounces off almost with same speed when it strikes a heavier mass.
(ii) This is the reason for using lighter nuclei as moderators.
2.
It is defined as the quantity of radiation which produces 1.6 x 1012 pair of ions in 1 gram of air.
3.
Nuclear fuel, neutron source, moderator control roads, coolant and shielding.
4.
A nuclear reaction in which the neutron used to carry out the nuclear fission reaction gets multiplied as more and more such fission reaction take place is called a nuclear chain reaction.
5.
(i) Alpha ray has high ionizing power.
(ii) α - particle has a large mass and large nuclear cross-section. So it has high ionizing power.
12th Standard Syllabus & Materials
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Tamilnadu Stateboard 12th Standard Subjects
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Accountancy
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Computer Applications
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Computer Science
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