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प्रश्न
Give one disadvantage of using a solar cell.
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उत्तर
One disadvantage of solar cell is listed below:
i. The initial cost of a solar panel is sufficiently high.
संबंधित प्रश्न
State two disadvantages of geothermal energy.
Give one example of a body that has potential energy, in due to its state.
State two factors on which the kinetic energy of a moving body depends.
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
Give one example to show the conversion of potential energy to kinetic energy when put in use.
Name the energy changes for the following:
bicycle brakes
Write the type of energy possessed in the following case:
A falling apple
State two advantages and disadvantages of using wind energy for producing electricity.
A body of mass m falls from a height h1 to a height h2, above the ground (h1 > h2). What is the loss of potential energy?
What is meant by energy?
