10th Standard Syllabus & Materials
10th Standard
TN 10th Social Science ECO - Industrial Clusters in Tamilnadu - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Government and Taxes - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Food Security and Nutrition - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Globalization and Trade - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science ECO - Gross Domestic Product and its Growth : an Introduction - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - India's International Relations - New Important Questions And Answers Study Material - QB365 Set A
Published on: 12/06/2021
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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.
Give any two uses of radio isotopes in the field of agriculture?
2.
Mr. Ramu is working as an X - ray technician in a hospital. But, he does not wear the lead aprons. What suggestion will you give to Mr. Ramu?
3.
Give the function of control rods in a nuclear reactor.
4.
Define one roentgen.
5.
Write any three features of natural and artificial radioactivity.
1.
(i) To increase the productivity of crops
(ii) Remains fresh beyond their normal life time
2.
(i) Radiation emitted by the X-ray machine can easily passes through our body and can cause genetic diseases.
(ii) These have been passed by genetic diseases from generation to generation.
(iii) When the emitted radiation is so high, it leads to death. So Mr. Ramu must wear the lead aprons.
3.
(i) The control rods are used to control the chain reaction as they are very good absorbers of neutrons.
(ii) By pushing in and pulling out, the reaction rate can be controlled.
4.
It is the quantity of radioactive substances which produces a charge of 2.58 x 10-4 coulombs in 1 kg of air under standard conditions of pressure, temperature and humidity.
5.
Natural radioactivity:
(i) Emission of radiation due to self-disintegration of a nucleus
(ii) Exhibited by elements with atomic number more than 82
(iii) This cannot be controlled
Artificial radioactivity:
(i) Emission of radiation due to disintegration of a nucleus through induced process.
(ii) Exhibited by elements with atomic number less than 82.
(iii) This can be controlled.
10th Standard Syllabus & Materials
10th Standard
TN 10th Social Science CIV - India's Foreign Policy - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - State Government - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - Central Government - New Important Questions And Answers Study Material - QB365 Set A
NEW10th Standard
TN 10th Social Science CIV - Indian Constitution - New Important Questions And Answers Study Material - QB365 Set A
Tamilnadu Stateboard 10th Standard Subjects
Tamilnadu Stateboard Standards
