Nuclear Energy Quiz | Science and Technology Quiz

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1.Hydrogen bomb is based on---
Nuclear fission
Nuclear fusion
Natural radioactivity
Artifical radioactivity reactions

2.What is the end product of nuclear fission of Uranium?
Lead
Radium
Thorium
Plutonium

3.Cobalt 60 emits which of the following rays?
Alpha
Beta
Gamma
None of these

4. Which of the following is not a radio active element?
Francium
Zirconium
Astatine
Titanium

5.Gas cooled reactor uses following materials as moderator and coolant?
Graphite, CO2
Graphite, Air
Heavywater, CO2
Lead, H2

6.Which of the following uranium isotope is used in nuclear reactor for generation of electricty?
U-233
U-334
U-235
U-239

7.Name the radioactive element whose guge reserves are found in India
Plutonium
Radium
Thorium
Uranium

8.Which one of the following mineral is used as fuel in nuclear power stations?
Bauxite
Quartz
Feldspar
Pitchblende

9. A radioactive element substance has a half life of four months. Three-fourth of substance would decay in
3 Months
4 Months
8 Months
12 Months

10. The halflife of a radioactive element is 5 years. The fraction of the substnce that remains after two years is
1/2
1/4
1/6
1/8
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