Advertisements
Advertisements
प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Advertisements
उत्तर
Potential energy.
APPEARS IN
संबंधित प्रश्न
Give one example to show that the sum of potential energy and kinetic energy remains constant if friction is ignored.
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?
State the work energy theorem.
State the energy changes in the following case while in use:
an electric cell in a circuit
State two uses of solar cells.
State two advantages of producing electricity from solar energy.
State two disadvantages of using nuclear energy for producing electricity.
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy changes which take place when:
Electricity obtained from nuclear energy.
What is meant by energy?
