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प्रश्न
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in respiration.
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उत्तर
Chemical energy changes into heat energy.
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संबंधित प्रश्न
State the energy changes that occur in the following :
The unwinding of a watch spring.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in the unwinding of a watch spring.
Energy can exist in several forms and may change from one form to another. State the energy changes that occur in a loaded truck when started and set in motion.
State the energy changes in the following case while in use:
Washing machine
State the energy changes in the following case while in use:
A petrol engine of a running car
State the energy changes in the following case while in use:
An electromagnet.
Can any object have mechanical energy even if its momentum is zero? Explain.
If an electric iron of 1200 W is used for 30 minutes every day, find electric energy consumed in the month of April.
A light and a heavy object have the same momentum. Find out the ratio of their kinetic energies. Which one has larger kinetic energy?
For burning of coal in a thermoelectric station, the energy conversion taking place is:
