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प्रश्न
State two disadvantages of using nuclear energy for producing electricity.
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.
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संबंधित प्रश्न
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is just in the middle .
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
Select the renewable and non-renewable sources of energy from the following:
Water
Two bodies A and B of masses m and M (M ≫ m) have same kinetic energy. Which body will have more momentum?
Write the type of energy possessed in the following case:
A moving cricket ball.
State the energy changes which take place when:
A car moves up a hill.
