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प्रश्न
State two disadvantages of using nuclear energy for producing electricity.
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उत्तर
Disadvantages of using nuclear energy:
1. It is not a clean source of energy because very harmful nuclear radiations are produced in the process.
2. The waste causes environmental pollution.
संबंधित प्रश्न
State two factors on which the kinetic energy of a moving body depends.
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the highest point .
Name the type of energy (kinetic energy K or potential energy U) possessed in the given cases:
A moving bus
What is ocean? Explain in brief.
A body of mass 5 kg falls from a height of 10 m to 4 m. Calculate:
The total energy possessed by the body at any instant? (Take g = 10 ms-2).
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Write the type of energy possessed in the following case:
A falling apple
Name a device in which solar energy is converted into electricity state its two uses.
