Advertisements
Advertisements
प्रश्न
State the energy changes which take place when:
A battery lighting up a bulb.
Advertisements
उत्तर
The electrical energy changes into heat energy and light energy.
संबंधित प्रश्न
A certain form of energy which is not sourced directly or indirectly from the sun and does not cause any pollution is very easily converted into electricity. This form of energy is, however, not available everywhere. Moreover, it is technically very difficult and expensive to obtain it. Name the form of energy.
Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
Name two examples in which the mechanical energy of a system remains constant.
How is kinetic energy possessed by a moving body measured?
Give two examples each of renewable and non-renewable sources of energy?
Draw a diagram to show the energy changes in an oscillating simple pendulum. Indicate in your diagram how the total mechanical energy in it remains constant during the oscillation.
What is nuclear energy? Explain the principle of producing electricity using nuclear energy is a nuclear reactor.
Geothermal energy is:
