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Imagine a hypothetical material whose av...

Imagine a hypothetical material whose average temperature coefficient of linear expansion is `0.1//.^@C` .Find the fractional increase in area of thin square plate of above material when temperature is increase by `10^@C`

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The coefficient of linear expansion for a material is 2 xx 10^(-5)//^(@)C . What will be the percentage change of area if temperature is increased by 100^(@)C ?

The coefficient of linear expansion varies linearly from alpha_(1) and alpha_(2) in a rod of length l . Find the increase in length when its temperature is increased by DeltaT .

Knowledge Check

  • It the temperature is increased above 35^(@)C ,

    A
    Rate of decline of respiration will be earlier than decline of photosynthesis
    B
    Rate of decline of phosynthesis will be earlier than decline of respiration
    C
    Both decline simultaneously
    D
    Both do not show any fixed pattern

  • If the temperature is increased (above 35^(@)C )

    A
    Rate of decline of respiration will be earlier than decline of photosynthesis
    B
    Rate of decline of phosoynthesis will be earlier than decline of respiration
    C
    Both decline simultaneously
    D
    Both do not show any fixed pattern

  • The coefficient of linear exopansion of a metal is 1 xx 10^(-5//0)C . The percentage increase in area of a square plate of that metal when it is heated through 100^(0)C is

    A
    `0.02%`
    B
    `0.1%`
    C
    `0.001%`
    D
    `0.2%`

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    Coefficient of linear expansion laways …….. With the increase in temperature

    Coefficient of linear expansion always ____ with the increase in temperature.

    The coefficient of linear expansion varies linearly from alpha_(1) to alpha_(2) in a rod of length l. Find the increase in length when the temperature is increased by DeltaT .

    On increasing the temperature by 10^(@)C ,

    A cube of edge (L) and coefficient of linear expansion (alpha) is heated by 1^(0)C . Its surface area increases by

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