01. Thermal Expansion (Linear, Area and Volume Expansion)
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Thermal Properties of Matter

146524 Three metal rods of same length and area of cross-section are arranged to form an equilateral triangle as shown in figure. $S$ is the middle point of side QR. If PS is independent of temperature, then

[ $\alpha_{1}$ is coefficient of linear expansion for rod QR and $\alpha_{2}$ is that for $P Q$ and $\left.P R\right]$

1 $\alpha_{1}=2 \alpha_{2}$
2 $\alpha_{1}=\alpha_{2} / 2$
3 $\alpha_{1}=\alpha_{2}$
4 $\alpha_{1}=4 \alpha_{2}$
JCECE-2015**
Thermal Properties of Matter

146525 The volume of a metal sphere increases by $0.15 \%$ when its temperature is raised by $24^{\circ} \mathrm{C}$. The coefficient of linear expansion metal is :

1 $2.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
2 $2.0 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
3 $1.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
4 $1.2 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
JCECE-2004
Thermal Properties of Matter

146526 A glass flask of volume 1 litre is fully filled with mercury at $0^{\circ} \mathrm{C}$. Both the flask and mercury are now heated to $100^{\circ} \mathrm{C}$. If the coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, volume coefficient of linear expansion of glass is $10 \times 10^{-6} /{ }^{\circ} \mathrm{C}$, the amount of mercury which is spilted out is

1 $15.2 \mathrm{ml}$
2 $17.2 \mathrm{ml}$
3 $19.2 \mathrm{ml}$
4 $21.2 \mathrm{ml}$
AIIMS-2015
Thermal Properties of Matter

146527 The real coefficient of volume expansion of glycerine is 0.000597 per ${ }^{\circ} \mathrm{C}$ and linear coefficient of expansion of glass is $\mathbf{0 . 0 0 0 0 0 9}$ per ${ }^{\circ} \mathrm{C}$. Then the apparent volume coefficient of expansion of glycerine is

1 0.000558 per $^{\circ} \mathrm{C}$
2 0.00057 per ${ }^{\circ} \mathrm{C}$
3 0.00027 per ${ }^{\circ} \mathrm{C}$
4 0.00066 per ${ }^{\circ} \mathrm{C}$
AIIMS-2000
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Thermal Properties of Matter

146524 Three metal rods of same length and area of cross-section are arranged to form an equilateral triangle as shown in figure. $S$ is the middle point of side QR. If PS is independent of temperature, then

[ $\alpha_{1}$ is coefficient of linear expansion for rod QR and $\alpha_{2}$ is that for $P Q$ and $\left.P R\right]$

1 $\alpha_{1}=2 \alpha_{2}$
2 $\alpha_{1}=\alpha_{2} / 2$
3 $\alpha_{1}=\alpha_{2}$
4 $\alpha_{1}=4 \alpha_{2}$
JCECE-2015**
Thermal Properties of Matter

146525 The volume of a metal sphere increases by $0.15 \%$ when its temperature is raised by $24^{\circ} \mathrm{C}$. The coefficient of linear expansion metal is :

1 $2.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
2 $2.0 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
3 $1.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
4 $1.2 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
JCECE-2004
Thermal Properties of Matter

146526 A glass flask of volume 1 litre is fully filled with mercury at $0^{\circ} \mathrm{C}$. Both the flask and mercury are now heated to $100^{\circ} \mathrm{C}$. If the coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, volume coefficient of linear expansion of glass is $10 \times 10^{-6} /{ }^{\circ} \mathrm{C}$, the amount of mercury which is spilted out is

1 $15.2 \mathrm{ml}$
2 $17.2 \mathrm{ml}$
3 $19.2 \mathrm{ml}$
4 $21.2 \mathrm{ml}$
AIIMS-2015
Thermal Properties of Matter

146527 The real coefficient of volume expansion of glycerine is 0.000597 per ${ }^{\circ} \mathrm{C}$ and linear coefficient of expansion of glass is $\mathbf{0 . 0 0 0 0 0 9}$ per ${ }^{\circ} \mathrm{C}$. Then the apparent volume coefficient of expansion of glycerine is

1 0.000558 per $^{\circ} \mathrm{C}$
2 0.00057 per ${ }^{\circ} \mathrm{C}$
3 0.00027 per ${ }^{\circ} \mathrm{C}$
4 0.00066 per ${ }^{\circ} \mathrm{C}$
AIIMS-2000
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Thermal Properties of Matter

146524 Three metal rods of same length and area of cross-section are arranged to form an equilateral triangle as shown in figure. $S$ is the middle point of side QR. If PS is independent of temperature, then

[ $\alpha_{1}$ is coefficient of linear expansion for rod QR and $\alpha_{2}$ is that for $P Q$ and $\left.P R\right]$

1 $\alpha_{1}=2 \alpha_{2}$
2 $\alpha_{1}=\alpha_{2} / 2$
3 $\alpha_{1}=\alpha_{2}$
4 $\alpha_{1}=4 \alpha_{2}$
JCECE-2015**
Thermal Properties of Matter

146525 The volume of a metal sphere increases by $0.15 \%$ when its temperature is raised by $24^{\circ} \mathrm{C}$. The coefficient of linear expansion metal is :

1 $2.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
2 $2.0 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
3 $1.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
4 $1.2 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
JCECE-2004
Thermal Properties of Matter

146526 A glass flask of volume 1 litre is fully filled with mercury at $0^{\circ} \mathrm{C}$. Both the flask and mercury are now heated to $100^{\circ} \mathrm{C}$. If the coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, volume coefficient of linear expansion of glass is $10 \times 10^{-6} /{ }^{\circ} \mathrm{C}$, the amount of mercury which is spilted out is

1 $15.2 \mathrm{ml}$
2 $17.2 \mathrm{ml}$
3 $19.2 \mathrm{ml}$
4 $21.2 \mathrm{ml}$
AIIMS-2015
Thermal Properties of Matter

146527 The real coefficient of volume expansion of glycerine is 0.000597 per ${ }^{\circ} \mathrm{C}$ and linear coefficient of expansion of glass is $\mathbf{0 . 0 0 0 0 0 9}$ per ${ }^{\circ} \mathrm{C}$. Then the apparent volume coefficient of expansion of glycerine is

1 0.000558 per $^{\circ} \mathrm{C}$
2 0.00057 per ${ }^{\circ} \mathrm{C}$
3 0.00027 per ${ }^{\circ} \mathrm{C}$
4 0.00066 per ${ }^{\circ} \mathrm{C}$
AIIMS-2000
NEET DIGITAL LIBRARY
Thermal Properties of Matter

146524 Three metal rods of same length and area of cross-section are arranged to form an equilateral triangle as shown in figure. $S$ is the middle point of side QR. If PS is independent of temperature, then

[ $\alpha_{1}$ is coefficient of linear expansion for rod QR and $\alpha_{2}$ is that for $P Q$ and $\left.P R\right]$

1 $\alpha_{1}=2 \alpha_{2}$
2 $\alpha_{1}=\alpha_{2} / 2$
3 $\alpha_{1}=\alpha_{2}$
4 $\alpha_{1}=4 \alpha_{2}$
JCECE-2015**
Thermal Properties of Matter

146525 The volume of a metal sphere increases by $0.15 \%$ when its temperature is raised by $24^{\circ} \mathrm{C}$. The coefficient of linear expansion metal is :

1 $2.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
2 $2.0 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
3 $1.5 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
4 $1.2 \times 10^{-5} /{ }^{\circ} \mathrm{C}$
JCECE-2004
Thermal Properties of Matter

146526 A glass flask of volume 1 litre is fully filled with mercury at $0^{\circ} \mathrm{C}$. Both the flask and mercury are now heated to $100^{\circ} \mathrm{C}$. If the coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, volume coefficient of linear expansion of glass is $10 \times 10^{-6} /{ }^{\circ} \mathrm{C}$, the amount of mercury which is spilted out is

1 $15.2 \mathrm{ml}$
2 $17.2 \mathrm{ml}$
3 $19.2 \mathrm{ml}$
4 $21.2 \mathrm{ml}$
AIIMS-2015
Thermal Properties of Matter

146527 The real coefficient of volume expansion of glycerine is 0.000597 per ${ }^{\circ} \mathrm{C}$ and linear coefficient of expansion of glass is $\mathbf{0 . 0 0 0 0 0 9}$ per ${ }^{\circ} \mathrm{C}$. Then the apparent volume coefficient of expansion of glycerine is

1 0.000558 per $^{\circ} \mathrm{C}$
2 0.00057 per ${ }^{\circ} \mathrm{C}$
3 0.00027 per ${ }^{\circ} \mathrm{C}$
4 0.00066 per ${ }^{\circ} \mathrm{C}$
AIIMS-2000
Join With Us for More Updates