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प्रश्न
Can you tell?
Describe one natural chain of transformation of energy.
उत्तर
One natural chain of energy transformation is photosynthesis. Solar energy is converted into light energy, which plants use to produce chemical energy (glucose). This chemical energy is stored in plants and transferred through the food chain, powering various life processes.
संबंधित प्रश्न
Define calorific value of a fuel.
What is the source of heat contained in geothermal energy?
Can a body possess energy even when it is not in motion ? Explain your answer with an example.
State the energy changes in the following case while in use:
an electric toaster.
State the energy changes in the following case while in use:
a ceiling fan
MULTIPLE CHOICE TYPE:
The ultimate source of energy is:
(a) wood
(b) wind
(c) water
(d) sun
Show that the quantity 2K/v2 has the unit of mass, where K is the kinetic energy of the body.
What kind of energy is possessed in a situation when?
A fish moving in the water.
Ocean thermal energy is due to
Energy from various sources is considered to have been derived from the sun. Do you agree? Justify your answer.
