Transformation of Energy

IMPORTANT

Transformation of Energy: Overview

This Topic covers sub-topics such as Law of Conservation of Energy, Conversion of Mechanical Energy to Electrical Energy, Conversion of Electrical Energy into Chemical Energy and, Conversion of Sound Energy into Electrical Energy

Important Questions on Transformation of Energy

MEDIUM
IMPORTANT

How sound is produced in a radio or television?

EASY
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Rubbing your hands together converts mechanical energy to heat energy.

EASY
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In a loudspeaker, _____ energy is converted into sound energy.

EASY
IMPORTANT

Which of the following converts electrical energy into sound energy.

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Photosynthesis is the phenomenon of conversion of chemical energy to light energy. 

EASY
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In which of the following light energy is converted into electrical energy

EASY
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Which of the following can convert chemical energy into heat and light  energy.

EASY
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List any two examples for conversion of muscular energy into mechanical energy.

EASY
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Explain how potential energy is converted to kinetic energy in case of simple pendulum.

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Give an example in which heat energy is converted into mechanical energy.

EASY
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Give some examples of the sound energy being converted into electrical energy.

EASY
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Mention some examples in which electrical energy is converted into sound energy.

EASY
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Give some examples of light energy to electrical energy.

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Explain the example of energy conversion from light to chemical.

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Write few cases in which electrical energy is converted to heat energy.

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Write few cases in which the electrical energy is converted into light energy.

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Write an example of conversion of electrical energy to chemical energy.

EASY
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Write some examples of chemical energy converted into light and sound energy and also heat energy.

EASY
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Give some examples in which chemical energy is converted to heat energy and light energy.

EASY
IMPORTANT

What are the energy changes happening while charging and discharging battery?