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A bucket full of water .is on the first floor of your house and another identical bucket with same quantity of water is kept on the second floor. Which of the two has greater potential energy ?
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Define the term kinetic energy. Give one example of a body which possesses kinetic energy.
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Write true or false of the following statement.
The image formed by a plane mirror can be obtained on a screen.
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State two factors on which the kinetic energy of a moving body depends.
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Two toy-cars A and B of masses 500 g and 200 g respectively are moving with the same speed. Which of the two has the greater kinetic energy?
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A cyclist doubles his speed. How will his kinetic energy change: increase, decrease or remain same ?
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Can a body possess energy even when it is not in motion ? Explain your answer with an example.
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Name the type of energy (kinetic or potential) possessed by the following:
A moving cricket ball.
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Name the type of energy (kinetic or potential) possessed by the following:
A stone at rest on the top of a building.
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Name the type of energy (kinetic or potential) possessed by the following:
A compressed spring.
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Name the type of energy (kinetic or potential) possessed by the following:
A moving bus.
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Name the type of energy (kinetic or potential) possessed by the following:
A bullet fired from a gun.
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Name the type of energy (kinetic or potential) possessed by the following:
Water flowing in a river.
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Name the type of energy (kinetic or potential) possessed by the following:
A stretched rubber band.
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Fill in the blank
The image formed by a plane mirror is at a distance behind the mirror as ________
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Give one example to show the conversion of potential energy to kinetic energy when put in use.
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Fill in the blank
We are able to see the objects around us due to _________, reflection.
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Give one relevant example for the following transformation of energy:
Electrical energy to heat energy.
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Give one relevant example for the following transformation of energy:
Electrical energy to mechanical energy.
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Give one relevant example for the following transformation of energy :
Electrical energy to light energy.
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