JSUNIL TUTORIAL,SAMASTIPUR
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CBSE X Physics Assignment/Worksheet-Chapter: Sources of Energy
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1. What is energy?
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2. What do you mean by ‘source of energy’?
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3. What should be the characteristics of a source of energy?
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4. Name a few sources of energy used in our daily life.
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5. What are renewable and non-renewable sources of energy? Give examples of each.
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6. Name some of the sources of energy used in ancient times.
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7. Give two advantages and 2 disadvantages, each of renewable and non-renewable sources of energy.
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8. What are fossil fuels? Give a few examples.
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9. Name a gaseous fossil fuel.
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10. Which of the following is not derived from solar energy: - geothermal, wind energy, fossil fuels, Biomass.
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11. What are the limitations of extracting energy from (a) the wind (b) the waves (c) the tides?
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12. What are the environmental consequences of the increasing demand for energy? What steps would you suggest to reduce energy consumption?
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13. Name two indirect ways of using solar energy.
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14. Give the transformation of energy (sequence) taking place in
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(a) Thermal power plant (b) hydro power plant (c) solar cell
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15. Give advantages and disadvantages of constructing dams.
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