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

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Important Questions on Energy

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A body shape which offers very little resistance to the flow of air (or water) around it is called:
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Thermal energy is the form of energy dissipated from an electric bulb.
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Why does objects moving in fluids have special shapes?
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What happens to energy when there is friction?

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How do sound waves dissipate?
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What are the causes behind the dissipation of sound energy?
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Which of the following does not have a streamlined shape?
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To minimise the fluid friction on objects in motion while moving in liquid we can _____.
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How is energy dissipated from an electric bulb?
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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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In an electric bulb, electrical energy is dissipated in the form of heat.
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 _____ causes spatial damping of the sound waves.
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What are the causes behind the dissipation of light energy?
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The frictional force exerted by a fluid is called:
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How does an electric bulb get heated resulting in the dissipation of energy?
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The body shape of fishes and birds help them to reduce friction.
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Cotyledons are also called-
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When an object is travelling through a fluid, the frictional force depends upon _____.
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Do objects lose energy to overcome friction? Explain.
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How does distance affect dissipation of sound?