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Published on: 27/08/2019
Nuclear Physics
Download Tamil Nadu 10th Standard Science 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 Science Test1.
Nucleons are made of ________.
atoms
electrons and protons
electrons and neutrons
protons and neutrons
2.
A chain reaction is continuous due to
large mass defect
large energy
production of more neutrons in fission
None of these
3.
Proton - Proton chain reaction is an example of__________
Nuclear fission
\(\alpha\) - decay
Nuclear fusion
\(\beta\) - decay
4.
_____________ aprons are used to protect us from gamma radiations
Lead oxide
Iron
Lead
Aluminium
5.
Gamma radiations are dangerous because
it affects eyes & bones
it affects tissues
it produces genetic disorder
it produces enormous amount of heat
6.
______ is a device used to detect the level of exposure to ionizing radiation
7.
Indian Atomic Energy Commission is known as ________.
8.
If the radiation exposure is 100 R, it may cause ______________.
9.
The radio isotope of ________ helps to increase the productivity of crops.
10.
Nuclear fusion is possible only at an extremely high temperature of the order of ____ K.
11.
Alpha decay
12.
Gamma decay
13.
Beta decay
14.
Fertile material
15.
Uncontrolled fission reaction
1.
(d)
protons and neutrons
2.
(c)
production of more neutrons in fission
3.
(c)
Nuclear fusion
4.
(c)
Lead
5.
(c)
it produces genetic disorder
6.
( )
Dosimeter
7.
( )
Baba Atomic Research Centre (BARC)
8.
( )
Leukemia
9.
( )
P- 32
10.
( )
107 to 109 K
11.
change in mass number & atomic number
12.
no change in mass number & atomic number
13.
no change in mass number
14.
Breeder reactor
15.
Atom bomb
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Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
