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प्रश्न
Fill in the boxe to show the corresponding energy transformation.
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उत्तर
Chemical energy ⇌ Light energy
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संबंधित प्रश्न
1 J = ______ calorie.
Is it possible that a force is acting on a body but still the work done is zero? Explain giving one example.
Define the term 'work'. Write the formula for the work done on a body when a force acts on the body in the direction of its displacement. Give the meaning of each symbol which occurs in the formula.
Is the motion of moon around the earth in circular path an accelerated motion?
Does the earth move around the sun with a uniform velocity?
What do you understand by 'potential energy' and 'Kinetic energy'? Give three examples of each to illustrate your answer.
How is horse power related to the S. I. unit of power?
Why is less effort needed to lift a load over an inclined plane as compared to lifting the load directly?
A ______ should act on an object.
Look at the activity below. Reason out whether or not work is done in the light of your understanding of the term ‘work’.
A wind-mill is lifting water from a well.
