Dissipation of Energy

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Dissipation of Energy: Overview

This Topic covers sub-topics such as Energy Loss Due to Friction, Cause behind Dissipation of Light Energy and Sound Energy and, Cause behind Dissipation of Electrical Energy

Important Questions on Dissipation of Energy

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What happens to energy when there is friction?

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In an electric bulb, electrical energy is dissipated in the form of heat.

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How does distance affect dissipation of sound?

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How do sound waves dissipate?

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 _____ causes spatial damping of the sound waves.

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How does an electric bulb get heated resulting in the dissipation of energy?

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In an electric bulb, the useful energy is in the form of light and dissipated energy is in the form of _____.

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What are the causes behind the dissipation of light energy?

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What are the causes behind the dissipation of sound energy?

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The body shape of fishes and birds help them to reduce friction.

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Do objects lose energy to overcome friction? Explain.

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The streamlined shape helps the objects to reduce the fluid friction.

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Why does objects moving in fluids have special shapes?

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Thermal energy is the form of energy dissipated from an electric bulb.

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How is energy dissipated from an electric bulb?

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When an object is travelling through a fluid, the frictional force depends upon _____.

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To minimise the fluid friction on objects in motion while moving in liquid we can _____.

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Cotyledons are also called-