Advertisements
Advertisements
प्रश्न
Write the type of energy possessed in the following case:
A moving cricket ball.
Advertisements
उत्तर
Kinetic Energy
संबंधित प्रश्न
State one important advantage and disadvantage each of using nuclear energy for producing electricity.
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 .
Select the renewable and non-renewable sources of energy from the following:
Diesel
Name five renewable sources of energy.
Name three non-renewable sources of energy.
A hydroelectric power station takes its water from a lake whose water level is 50 m above the turbine. Assuming an overall efficiency of 40%, calculate the mass of water which must flow through the turbine each second to produce power output of 1 MW. (Take g = 10 m s−2).
How is kinetic energy possessed by a moving body measured?
State the energy changes which take place when:
A bulb glows, when torchlight is switched on.
Give one example when:
Mechanical energy to heat energy.
