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प्रश्न
Give one relevant example for the following transformation of energy :
Chemical energy to light energy.
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उत्तर
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संबंधित प्रश्न
Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
A boy of mass m climbs up a staircase of vertical height h.
(a) What is the work done by the boy against the force of gravity?
(b) What would have been the work done if he uses a lift in climbing the same vertical height?
A body of mass m is moving with a velocity v. Write the expression for its kinetic energy.
What is tidal? Explain in brief.
How is wind energy used to produce electricity?
Obtain an expression for the potential energy of a body of mass m at a height h above the ground.
Name the two groups in which various sources of energy are classified?
Give one example when:
Light energy changes to chemical energy.
Give one example when:
Kinetic energy to potential energy.
Use your brain power!
How do we save fuel by using public transport?
