Advertisements
Advertisements
प्रश्न
Give one example when:
Light energy changes to chemical energy.
Advertisements
उत्तर
During photosynthesis, light energy changes to chemical energy.
संबंधित प्रश्न
Give one example of a body that has potential energy, due to its position at a height.
Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
A ball is made to fall freely from a height. State the kind/ kinds of energy possessed by the ball when it is at the ground.
Why using wood as fuel is not advisable although wood is a renewable source of energy?
State two disadvantages of using nuclear energy for producing electricity.
Identify the type of energy possessed by the body in each of the following:
(a) A coiled spring of the toy car
(b) A hammer which is raised
(c) A stone shot from a catapult
(d) Water stored in the overhead tank
(e) A tadpole moving in water.
State the energy changes which take place when:
A body thrown vertically upwards from the ground.
State the energy changes which take place when:
Water stored in dams rotates turbine connected to a dynamo.
Unit of calorific value of a substance is ____________.
Nuclear fission is
