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State Hooke’s law of elasticity
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Define Poisson’s ratio.
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Which one of these is more elastic, steel or rubber? Why?
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A spring balance shows wrong readings after using it for a long time. Why?
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What is the effect of temperature on elasticity?
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Write down the expression for the elastic potential energy of a stretched wire.
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State Hooke’s law and verify it with the help of an experiment.
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Explain the different types of modulus of elasticity.
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Derive an expression for the elastic energy stored per unit volume of a wire.
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A cylinder of length 1.5 m and diameter 4 cm is fixed at one end. A tangential force of 4 × 105 N is applied at the other end. If the rigidity modulus of the cylinder is 6 × 1010 Nm-2 then, calculate the twist produced in the cylinder.
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Why the passengers are advised to remove the ink from their pens while going up in an aeroplane?
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We use the straw to suck soft drinks, why?
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The graph between volume and temperature in Charles’ law is _________.
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Obtain an ideal gas law from Boyle’s and Charles’ law.
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Define specific heat capacity.
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Write the unit of specific heat capacity.
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Define molar specific heat capacity.
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What is a thermal expansion?
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