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संबंधित प्रश्न
Which of the following produces more heat (per unit mass) on burning?
Explain how, geothermal energy is used to generate electricity.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
What is meant by the renewable and non-renewable sources of energy? Distinguish between them giving two examples of weach.
State the energy changes which take place when:
A magnesium ribbon burns in air.
State the energy changes which take place when:
Water freezes in the freezing chamber of a fridge.
Use your brain power!
How do we save fuel by using public transport?
You do not have rangoli powder. What things can you use as an alternative?
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
