EASY
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The energy form that can be replenished among the following is

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Important Questions on Sources of Energy

MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy
List any three advantages and disadvantages of solar energy. 
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Solar energy is treated as the energy source of the future. Write any two solar devices working on solar energy that can be utilised in daily life.
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Science>Physics>Sources of Energy>Conventional Sources of Energy
Name two uses biogas.
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Which of the following is the main component of petroleum gas?
MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy

Label 1 and 2 in the given figure.

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MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy
Write any three advantages and disadvantages of solar cell panels.
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Which of the following is not an example of a bio-mass energy source?
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
What is meant by renewable and non-renewable sources of energy? Give one example of each
MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy
Name the major constituent of biogas. Write the properties of biogas which make it a good fuel.
MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy
Name the two devices that work using heat energy of the sun.
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Write one example each for fossil fuels in a solid and liquid state.
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy

What are the limitations in harnessing wind energy?

EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Which fossil fuel produces ammonia when distilled in the absence of air?
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Which of the following is not an example of a bio-mass energy source?
MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy
Draw a labelled diagram of the Solar cooker.
MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy

Give an example of non-conventional energy with the help of which electricity can be generated.

EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Which of the following variety of coal contains the highest percentage of carbon? 
MEDIUM
Science>Physics>Sources of Energy>Conventional Sources of Energy
Explain the working of a solar water heater with the help of a labelled diagram.
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy
Nowadays bio-diesel is used in transportation vehicles as an alternate to diesel. Write two advantages of this measure.
EASY
Science>Physics>Sources of Energy>Conventional Sources of Energy

Plane mirror reflector is used inside the solar cooker box. Explain why.