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प्रश्न
The ultimate source of energy is :
पर्याय
wood
wind
water
sun
उत्तर
The ultimate source of energy is : Sun
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संबंधित प्रश्न
Give one example of a good domestic fuel.
State two advantages and two limitations of producing electricity from solar energy.
State two advantages and two disadvantages of using nuclear energy for producing electricity.
State the energy transformation in the following:
electricity is obtained from solar energy.
State three ways by which you can enhance the collection of solar energy.
Name the nuclear process that is responsible for the release of energy by sun.
Nuclear fusion.
Describe the condition for nuclear fission.
The diagram in the following shows two air filled bulbs connected by a U-tube containing mercury kept equidistant from a glassing bulb.
(i) Explain, how will the level X and Y change? (ii) Give a reason for your answer.
Give two uses of the thermostat.
