Transformation of Energy

IMPORTANT

Transformation of Energy: Overview

This topic helps us understand the conversion of one form of energy into another form or transformation of energy. It explains this through various examples related to photosynthesis, table fan, and doorbell.

Important Questions on Transformation of Energy

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Generator and transformer converts electric energy into magnetic energy.

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Bicycle converts muscular energy into mechanical energy.

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Fire crackers converts chemical energy into light, heat and sound energy.

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Combustion reaction converts chemical energy into light and heat.

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Electrolytic cell converts electrical energy into chemical energy.

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The electrical energy is converted into light energy to allow the bulb to glow.

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An oven converts electrical energy into heat energy.

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Solar Cell is a device that converts light energy into electrical energy.

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Light energy can be converted into chemical energy when the plants absorb the light energy.

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In loudspeaker electrical energy is converted into sound energy.

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A microphone or mike is a transducer which converts sound energy into an electrical energy.

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Combustion reaction converts heat energy into chemical energy.

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Steam engines convert thermal energy into mechanical energy in a train.

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The heat produced by rubbing our hands together is an example of conversion of mechanical energy into heat energy.

HARD
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Explain the interconversion of energy taking place in a simple pendulum.

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A non-renewable resource is given below. Write their uses in front of their names.

Cooking gas (LPG): _____, _____.

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A non-renewable resource is given below. Write their uses in front of their names.

Kerosene oil: _____, _____.

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A non-renewable resource is given below. Write two uses in front of their names.

Diesel: _____, _____.

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A non-renewable resource is given below. Write two uses in front of their names.

Petrol: _____ _____.

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A non-renewable resource is given below. Write two uses in front of their names.

Coal: _____ _____.