Question 1
When the coefficient of linear expansion, α, and the temperature change, Tf−Ti, are large, a length Li of a solid substance expands in length to
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Lf = αLi(Tf- Ti).
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Lf = Li[1 + α(Tf- Ti)].
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Lf = Li[1 + ln(α(Tf- Ti))].
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Question 2
Which of the following is not a possible thermometric property of a body?
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The change in length of a solid.
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The change in volume of a gas at constant pressure.
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The change in pressure of a gas at constant volume.
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The change in weight at constant pressure and volume.
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The change in electrical resistance of a conductor.