Sources of Energy

Subject matter experts of JagranJosh have developed chapter wise practice questions as per the relevancy of the chapter in the CBSE board exam. This practice set contains 10 questions with detailed explanations on “Chapter: Sources of Energy” of Science.

  • Q1.Which of the followings is not a fossil fuel?

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  • Q2.The rise of sea-water during high tide is caused by the gravitational pull of the:

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  • Q3.What is the energy equivalent of one atomic mass unit?

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  • Q4.How many joules are there in 1eV?

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  • Q5.The disposal of wastes produced in a nuclear power plant is a big problem because it is:

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  • Q6.The energy efficient device for producing light is:

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  • Q7.The radiation present in the sunlight that gives us the feeling of hotness is

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