Advertisements
Advertisements
प्रश्न
Name the type of energy (kinetic energy K or potential energy U) possessed in the following case:
A compressed spring
विकल्प
Kinetic energy
Potential energy
Advertisements
उत्तर
Potential energy
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
The energy of flowing water can be converted into electric energy (electricity).
A light mass and a heavy mass have equal momentum. Which will have more kinetic energy?
(Hint : Kinetic energy K = P2/2m where P is the momentum.)
State the energy transformation on the following:
Electricity is obtained from wind energy.
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
Name the form of energy in which potential energy can change.
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
What is the main energy transformation that occur in:
Photosynthesis in green leaves.
State two advantages and disadvantages of using nuclear energy for producing electricity.
State the energy transformation on the following:
Electricity obtained from hydro energy.
Give one example when:
Mechanical energy changes to electric energy.
