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Uttarakhand Board Class 10 Sources of Energy — practice questions

Explore 23 free Sources of Energy questions in Uttarakhand Board Class 10 Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Sources of Energy questions and exercises with answers

Showing questions 1–23 of 23.

CLASS10 · Physics · Renewable or Non-renewable SourceRead the answer and worked solution →Which of the following is a renewable source of energy?Read the answer and worked solution →Which is a fossil fuel?Read the answer and worked solution →In a hydroelectric power plant, the energy conversion sequence is:Read the answer and worked solution →Biogas is mainly composed of:Read the answer and worked solution →Which is the principal source of energy on Earth?Read the answer and worked solution →Solar cells convert solar energy directly into:Read the answer and worked solution →A good fuel should NOT:Read the answer and worked solution →A solar cooker uses a black painted box because black:Read the answer and worked solution →The role of the glass sheet in a solar cooker is to:Read the answer and worked solution →Why are reflectors used in a solar cooker?Read the answer and worked solution →Wind energy can be harnessed if the wind speed at the location is at least about:Read the answer and worked solution →The chief environmental drawback of nuclear fission is:Read the answer and worked solution →Charcoal is preferred over wood as a fuel because charcoal:Read the answer and worked solution →Which of the following is NOT a non-conventional source?Read the answer and worked solution →Slurry left over after biogas production is useful because:Read the answer and worked solution →A typical single solar cell produces about how much voltage?Read the answer and worked solution →Thermal power plants typically convert what percentage of the chemical energy of coal into electricity?Read the answer and worked solution →Why is the use of solar energy not yet widespread despite zero fuel cost?Read the answer and worked solution →Compared with a fossil-fuel plant of the same output, a hydroelectric plant has:Read the answer and worked solution →Which is the ultimate source of energy in the wind?Read the answer and worked solution →The biogas plant produces a fuel that can be:Read the answer and worked solution →Wind farms require all of the following EXCEPT:Read the answer and worked solution →

Worked practice questions

CLASS10 · Physics · Renewable or Non-renewable Source

Read exercise and reference answers
Items
  1. Item
    Solar
    Answer
    left
  2. Item
    Coal
    Answer
    right
  3. Item
    Wind
    Answer
    left
  4. Item
    Petroleum
    Answer
    right
  5. Item
    Biomass
    Answer
    left
  6. Item
    Natural gas
    Answer
    right
Categories
Left
Renewable
Right
Non-renewable
Instructions
Sort each energy source: renewable or non-renewable?

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Which of the following is a renewable source of energy?

  1. Wind
  2. Petroleum
  3. Coal
  4. Natural gas
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Correct answer: A. Wind

1. Renewable sources are continuously replenished. 2. Wind is driven by solar heating and never depletes on human timescales. 3. Coal, petroleum and natural gas are fossil fuels formed over millions of years. 4. So wind is the renewable source listed. _Source: syllabus Science Ch 14 'Sources of Energy' (byjus.com extract)_

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Which is a fossil fuel?

  1. Wood
  2. Coal
  3. Hydrogen
  4. Biogas
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Correct answer: B. Coal

1. Fossil fuels formed from buried organic matter under heat and pressure. 2. Coal, petroleum and natural gas are the classic fossil fuels. 3. Wood is a biomass fuel; hydrogen and biogas are not fossil fuels. 4. So coal is the fossil fuel here. _Source: syllabus Science Ch 14 'Sources of Energy' (byjus.com extract)_

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