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In a clockwork radio, the energy conversion happens from 

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Important Questions on Energy Transformations and Energy Transfers

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Light energy is converted into electrical energy in 
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 A ball is thrown upward from a point P, reaches to the highest point Q

 
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Energy can be changed from one form to another. It can be transferred from one object to another. Copy and complete the following sentence.

The total amount of energy does not change. This is known as the principal of _____ of energy.

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The energy possessed by a body by virtue of its position is called
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What will be the potential energy of an object of mass m at a height of h?
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Cooking gas converts _____ (mechanical /chemical) energy into heat energy. 
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Energy can be changed from one form to another. It can be transferred from one object to another. Copy and complete the sentence.

When energy changes from one form to another, some of the energy may be wasted, often in the form of _____.

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What is the commercial unit of electrical energy?
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Among the following, which can be produced during nuclear fission as well as fusion?
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The splitting of a heavy nucleus into two lighter nuclei is called _____.
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A rocket    of mass3×106 kg takes off from a lauching pad and acquires a vertical velocity of 1 kms-1 at an altitude of 25 Km. The potential energy of the  rocket is 
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A nuclear reaction in uranium starts when a slow-moving _____ is absorbed by the nucleus of U-235.
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Green plants convert _____ energy into chemical energy.
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A bullet fired from a gun can penetrate a target due to its _____ energy.
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Select the correct statements related potential energy.