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Standard VIII

Physics

Volume Expansion

If α c and ...

Question

If $α_{c}$ and $α_{k}$ denote the numerical values of coefficient of linear expansions of the solid , expressed per $^{0} C$ and per Kelvin respectively, then

α_{c} > α_{k}

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α_{c} < α_{k}

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α_{c} = α_{k}

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α_{c} = 2 α_{k}

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Solution

The correct option is C $α_{c} = α_{k}$
Linear expansion coefficient depends only on change in temperature and not absolute value of temperature.
Since a difference of 1 K is same as a difference of 1 degree celcius, $α_{c} = α_{k}$

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If αc and αk denote the numerical values of coefficient of linear expansions of the solid , expressed per 0C and per Kelvin respectively, then

The correct option is C αc=αkLinear expansion coefficient depends only on change in temperature and not absolute value of temperature.Since a difference of 1 K is same as a difference of 1 degree celcius, αc=αk

If $α_{c}$ and $α_{k}$ denote the numerical values of coefficient of linear expansions of the solid , expressed per $^{0} C$ and per Kelvin respectively, then

The correct option is C $α_{c} = α_{k}$
Linear expansion coefficient depends only on change in temperature and not absolute value of temperature.
Since a difference of 1 K is same as a difference of 1 degree celcius, $α_{c} = α_{k}$