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संबंधित प्रश्न
Which of the following produces more heat (per unit mass) on burning?
Fill in the blank
The energy possessed by a body due to its motion is called ______ energy.
State the energy changes in the following case while in use:
a ceiling fan
What is nuclear energy?
State the energy transformation on the following:
Electricity is obtained from nuclear 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).
Name the energy changes for the following:
pendulum
Give three examples of bodies possessing kinetic energy.
Use your brain power!
How do we save fuel by using public transport?
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
