Advertisements
Advertisements
प्रश्न
Name the two groups in which various sources of energy are classified?
Advertisements
उत्तर
Renewable and Non-renewable sources of energy.
APPEARS IN
संबंधित प्रश्न
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 transformations of energy:
Chemical energy to heat energy.
State the work energy theorem.
Name two examples in which the mechanical energy of a system remains constant.
What kind of energy is possessed in a situation when?
An electron spinning around the nucleus.
State the energy changes which take place when:
A stone projected vertically upwards, returns back to the thrower.
State the energy transformation on the following:
Electricity obtained from hydro energy.
A girl of mass 35 kg climbs up from the first floor of a building at a height 4 m above the ground to the third floor at a height 12 m above the ground. What will be the increase in her gravitational potential energy? [g = 10 ms-2]
For the same kinetic energy of a body, what should be the change in its velocity if its mass is increased nine times?
You do not have rangoli powder. What things can you use as an alternative?
