146520 A steel rod at $25^{\circ} \mathrm{C}$ is observed to be $1 \mathrm{~m}$ long when measured by another metal scale which is correct at $0^{\circ} \mathrm{C}$. The exact length of steel rod at $0^{\circ} \mathrm{C}$ is $\left(\alpha_{\text {stel }}=12 \times 10^{-6} /{ }^{\circ} \mathrm{C}\right.$ and $\alpha_{\text {metel }}$ $=\mathbf{2 0} \times 10^{-6} / \circ \mathrm{C}$ )

146521 The pressure to be applied to the ends of a steel cylinder to keep its length constant upon raising its temperature by $100^{\circ} \mathrm{C}$ is (thermal expansion coefficient, $\alpha=11 \times 10^{-6} / \mathrm{K}$, Young's modulus $=200 \mathrm{GPa})$

146522 The length of a metal wire is $L_{1}$ when the tension in it is $T_{1}$ and is $L_{2}$ when the tension is $T_{2}$. The natural length of wire is

146523 A glass flask of volume one litre at $0^{\circ} \mathrm{C}$ is filled level full of mercury at this temperature. The flask and mercury are now heated to $100^{\circ} \mathrm{C}$. How much mercury will spill out, if coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ and linear expansion of glass is $0.1 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, respectively?

146520 A steel rod at $25^{\circ} \mathrm{C}$ is observed to be $1 \mathrm{~m}$ long when measured by another metal scale which is correct at $0^{\circ} \mathrm{C}$. The exact length of steel rod at $0^{\circ} \mathrm{C}$ is $\left(\alpha_{\text {stel }}=12 \times 10^{-6} /{ }^{\circ} \mathrm{C}\right.$ and $\alpha_{\text {metel }}$ $=\mathbf{2 0} \times 10^{-6} / \circ \mathrm{C}$ )

146521 The pressure to be applied to the ends of a steel cylinder to keep its length constant upon raising its temperature by $100^{\circ} \mathrm{C}$ is (thermal expansion coefficient, $\alpha=11 \times 10^{-6} / \mathrm{K}$, Young's modulus $=200 \mathrm{GPa})$

146522 The length of a metal wire is $L_{1}$ when the tension in it is $T_{1}$ and is $L_{2}$ when the tension is $T_{2}$. The natural length of wire is

146523 A glass flask of volume one litre at $0^{\circ} \mathrm{C}$ is filled level full of mercury at this temperature. The flask and mercury are now heated to $100^{\circ} \mathrm{C}$. How much mercury will spill out, if coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ and linear expansion of glass is $0.1 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, respectively?

146520 A steel rod at $25^{\circ} \mathrm{C}$ is observed to be $1 \mathrm{~m}$ long when measured by another metal scale which is correct at $0^{\circ} \mathrm{C}$. The exact length of steel rod at $0^{\circ} \mathrm{C}$ is $\left(\alpha_{\text {stel }}=12 \times 10^{-6} /{ }^{\circ} \mathrm{C}\right.$ and $\alpha_{\text {metel }}$ $=\mathbf{2 0} \times 10^{-6} / \circ \mathrm{C}$ )

146521 The pressure to be applied to the ends of a steel cylinder to keep its length constant upon raising its temperature by $100^{\circ} \mathrm{C}$ is (thermal expansion coefficient, $\alpha=11 \times 10^{-6} / \mathrm{K}$, Young's modulus $=200 \mathrm{GPa})$

146522 The length of a metal wire is $L_{1}$ when the tension in it is $T_{1}$ and is $L_{2}$ when the tension is $T_{2}$. The natural length of wire is

146523 A glass flask of volume one litre at $0^{\circ} \mathrm{C}$ is filled level full of mercury at this temperature. The flask and mercury are now heated to $100^{\circ} \mathrm{C}$. How much mercury will spill out, if coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ and linear expansion of glass is $0.1 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, respectively?

146520 A steel rod at $25^{\circ} \mathrm{C}$ is observed to be $1 \mathrm{~m}$ long when measured by another metal scale which is correct at $0^{\circ} \mathrm{C}$. The exact length of steel rod at $0^{\circ} \mathrm{C}$ is $\left(\alpha_{\text {stel }}=12 \times 10^{-6} /{ }^{\circ} \mathrm{C}\right.$ and $\alpha_{\text {metel }}$ $=\mathbf{2 0} \times 10^{-6} / \circ \mathrm{C}$ )

146521 The pressure to be applied to the ends of a steel cylinder to keep its length constant upon raising its temperature by $100^{\circ} \mathrm{C}$ is (thermal expansion coefficient, $\alpha=11 \times 10^{-6} / \mathrm{K}$, Young's modulus $=200 \mathrm{GPa})$

146522 The length of a metal wire is $L_{1}$ when the tension in it is $T_{1}$ and is $L_{2}$ when the tension is $T_{2}$. The natural length of wire is

146523 A glass flask of volume one litre at $0^{\circ} \mathrm{C}$ is filled level full of mercury at this temperature. The flask and mercury are now heated to $100^{\circ} \mathrm{C}$. How much mercury will spill out, if coefficient of volume expansion of mercury is $1.82 \times 10^{-4} /{ }^{\circ} \mathrm{C}$ and linear expansion of glass is $0.1 \times 10^{-4} /{ }^{\circ} \mathrm{C}$, respectively?