Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
When the head of a nail is struck with a hammer, the mechanical energy of the hammer pushes the nail into the plank of wood and in this process a part of energy is converted into heat energy.
APPEARS IN
संबंधित प्रश्न
What is geothermal energy?
What is nuclear energy?
Name the process used for producing electricity using nuclear energy.
(i) The conversion of part of the energy into an undesirable form is called ______________.
(ii) For a given height h, __________________ the length l of the inclined plane, lesser will be the effort required.
State two advantages of geothermal energy.
Select the correct alternatives
The energy stored in an electric cell is
A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same ?
State the energy changes in the following case while in use:
an electric bulb
Write the type of energy possessed in the following case:
A bent bow
Name the two groups in which various sources of energy are classified?
