Advertisements
Advertisements
प्रश्न
State two advantages and disadvantages of using nuclear energy for producing electricity.
Advertisements
उत्तर
Advantages:
(i) A very small amount of nuclear fuel produces a huge amount of energy.
(ii) Nuclear fuel does not contribute to harmful greenhouse gases to the atmosphere of burning.
Disadvantages:
(i) The waste that is produced when using nuclear fuel is radioactive and very harmful. It needs to be disposed of carefully.
(ii) World uranium supplies may run out in about 50 years.
संबंधित प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
State the energy changes in the following case while in use:
an electric cell in a circuit
Name the energy changes for each of the following cases:
dynamo
A pebble is thrown up. It goes to a height and then comes back on the ground. State the different changes in form of energy during its motion.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Give three examples of bodies possessing potential energy.
State the energy changes which take place when:
In a heat engine.
Give one example when:
Chemical energy to electrical energy.
In a hydroelectric power station, 1000 kg of water is allowed to drop through a height of 100 m in 1 sec. If the conversion of potential energy to electric energy is 60%. Calculate the power output. [Take: g = 10m/sec2]
