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Conductivity

1. Cyclotrons are used to accelerate


A . Neutrons
B . Protons
C . Atoms
D . Ions

2. Among the following radiatins, which has the highest energy?


A . Visible
B . X-ray
C . Ultra-violet
D . Infra-red

3. The energy of Sun is released ue to


A . Nuclear fission
B . Nuclear fusion
C . Oxidation reactions
D . Reduction reactions

4. The stars receive their energy from which of the following?


A . Nuclear fusion
B . Nuclear fission
C . Chemical reaction
D . Gravitational pull

5. What is the source of electrical energy in an artificial satellite?


A . solar cells
B . Mini nuclear reactor
C . Dynamo
D . Thermopile

6. Which on eof the following element is used in solar cells?


A . Silicon
B . Cerium
C . Astratine
D . Vanadium

7. Photovoltaic cell is related to


A . Neculear energy
B . Geo Thermal Energy
C . solar Energy
D . Wind Energy

8. which of the following element is not included as a nuclear fuel?


A . Cadmium
B . thorium
C . Plutonium
D . Uranium

9. Which of the following is not afuel element?


A . Uranium
B . thorium
C . Radium
D . Helium

10. Which one of the following cannot be used as nuclear fuel?


A . Uranium
B . Thorium
C . Calcium
D . Plutonium