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प्रश्न
Give one example when:
Light energy changes to chemical energy.
उत्तर
During photosynthesis, light energy changes to chemical energy.
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संबंधित प्रश्न
Fill in the blank
An object falling freely from the roof of a multistorey building has ________ and _________ energy when halfway down the building.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
A stretched wire
State the work energy theorem.
Select the renewable and non-renewable sources of energy from the following:
Wood
What is geo thermal energy? Explain in brief.
State the energy transformation on the following:
Electricity is obtained from hydro energy.
Calculate the decrease in the kinetic energy of a moving body if its velocity reduces to half of the initial velocity.
Explain the principle of working of the windmill for generating electricity.
Match the pairs.
| Group 'A' | Group 'B' | ||
| (1) | Rolling object | (a) | Heat energy |
| (2) | Food | (b) | Atomic energy |
| (3) | Stretched bow | (c) | Kinetic energy |
| (4) | Sunlight | (d) | Potential energy |
| (5) | Uranium |
(e)
|
Chemical energy
|
When and why do clothes smell of naphthalene?
