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प्रश्न
State the energy changes which take place when:
Food is digested by animals.
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उत्तर
The chemical energy changes into heat energy.
संबंधित प्रश्न
Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
Give one relevant example for the following transformations of energy:
Chemical energy to heat energy.
Name the type of energy (kinetic energy K or potential energy U) possessed in the given case:
An arrow shot out of a bow.
State two advantages of producing electricity from solar energy.
Name the energy changes for the following:
electric ball
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.
What is dissipation of energy?
Give one example when:
Sound energy changes to electric energy.
Calculate the kinetic energy of a body of mass 0.1 kg. and momentum 40kg m/s.
Use your brain power!
Why do tablets of camphor decrease in size day by day?
