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

146607 Two marks on a glass $\operatorname{rod} 10 \mathrm{~cm}$ apart are found to increase their distance by $0.08 \mathrm{~mm}$ when the rod is heated from $0^{\circ} \mathrm{C}$ to $100^{\circ} \mathrm{C}$. A flask made of the same glass as that of rod measures a volume of 1000 cc at $0^{0} \mathrm{C}$. The volume it measures at $100 \mathrm{cc}$ at $0^{0} \mathrm{C}$. The volume it measures at $100^{\circ} \mathrm{C}$ in cc is:

1 1002.4
2 1004.2
3 1006.4
4 1008.2
Thermal Properties of Matter

146608 A specific gravity bottle is filled to the brim with mercury of $400 \mathrm{~g}$ at $0^{\circ} \mathrm{C}$. When heated to $90^{\circ} \mathrm{C}$, the mass of mercury that overflows from the specific gravity bottle is: (Coefficient of apparent expansion of mercury in glass is $\frac{1}{6500}{ }^{\circ} \mathrm{C}$ )

1 $5.46 \mathrm{~g}$
2 $6.54 \mathrm{~g}$
3 $10.92 \mathrm{~g}$
4 $13.08 \mathrm{~g}$
Thermal Properties of Matter

146609 When the temperature of a body increase from $t$ to $t+\Delta t$, its moment of inertia increases from I to $I+\Delta I$. The coefficient of linear expansion of the body is $\alpha$. The ratio $\frac{\Delta I}{I}$ is:

1 $\frac{\Delta \mathrm{t}}{\mathrm{t}}$
2 $\frac{2 \Delta \mathrm{t}}{\mathrm{t}}$
3 $\alpha \Delta \mathrm{t}$
4 $2 \alpha \Delta \mathrm{t}$
Thermal Properties of Matter

146611 The length of a metal rod at $0^{\circ} \mathrm{C}$ is $0.5 \mathrm{~m}$. When it is heated, its length increases by $2.7 \mathrm{~mm}$. The final temperature of the rod is: (Coefficient of linear expansion of the metal $=90 \times 10^{-6} /{ }^{\circ} \mathrm{C}$ )

1 $20^{\circ} \mathrm{C}$
2 $30^{\circ} \mathrm{C}$
3 $40^{\circ} \mathrm{C}$
4 $60^{\circ} \mathrm{C}$
Thermal Properties of Matter

146607 Two marks on a glass $\operatorname{rod} 10 \mathrm{~cm}$ apart are found to increase their distance by $0.08 \mathrm{~mm}$ when the rod is heated from $0^{\circ} \mathrm{C}$ to $100^{\circ} \mathrm{C}$. A flask made of the same glass as that of rod measures a volume of 1000 cc at $0^{0} \mathrm{C}$. The volume it measures at $100 \mathrm{cc}$ at $0^{0} \mathrm{C}$. The volume it measures at $100^{\circ} \mathrm{C}$ in cc is:

1 1002.4
2 1004.2
3 1006.4
4 1008.2
Thermal Properties of Matter

146608 A specific gravity bottle is filled to the brim with mercury of $400 \mathrm{~g}$ at $0^{\circ} \mathrm{C}$. When heated to $90^{\circ} \mathrm{C}$, the mass of mercury that overflows from the specific gravity bottle is: (Coefficient of apparent expansion of mercury in glass is $\frac{1}{6500}{ }^{\circ} \mathrm{C}$ )

1 $5.46 \mathrm{~g}$
2 $6.54 \mathrm{~g}$
3 $10.92 \mathrm{~g}$
4 $13.08 \mathrm{~g}$
Thermal Properties of Matter

146609 When the temperature of a body increase from $t$ to $t+\Delta t$, its moment of inertia increases from I to $I+\Delta I$. The coefficient of linear expansion of the body is $\alpha$. The ratio $\frac{\Delta I}{I}$ is:

1 $\frac{\Delta \mathrm{t}}{\mathrm{t}}$
2 $\frac{2 \Delta \mathrm{t}}{\mathrm{t}}$
3 $\alpha \Delta \mathrm{t}$
4 $2 \alpha \Delta \mathrm{t}$
Thermal Properties of Matter

146611 The length of a metal rod at $0^{\circ} \mathrm{C}$ is $0.5 \mathrm{~m}$. When it is heated, its length increases by $2.7 \mathrm{~mm}$. The final temperature of the rod is: (Coefficient of linear expansion of the metal $=90 \times 10^{-6} /{ }^{\circ} \mathrm{C}$ )

1 $20^{\circ} \mathrm{C}$
2 $30^{\circ} \mathrm{C}$
3 $40^{\circ} \mathrm{C}$
4 $60^{\circ} \mathrm{C}$
Thermal Properties of Matter

146607 Two marks on a glass $\operatorname{rod} 10 \mathrm{~cm}$ apart are found to increase their distance by $0.08 \mathrm{~mm}$ when the rod is heated from $0^{\circ} \mathrm{C}$ to $100^{\circ} \mathrm{C}$. A flask made of the same glass as that of rod measures a volume of 1000 cc at $0^{0} \mathrm{C}$. The volume it measures at $100 \mathrm{cc}$ at $0^{0} \mathrm{C}$. The volume it measures at $100^{\circ} \mathrm{C}$ in cc is:

1 1002.4
2 1004.2
3 1006.4
4 1008.2
Thermal Properties of Matter

146608 A specific gravity bottle is filled to the brim with mercury of $400 \mathrm{~g}$ at $0^{\circ} \mathrm{C}$. When heated to $90^{\circ} \mathrm{C}$, the mass of mercury that overflows from the specific gravity bottle is: (Coefficient of apparent expansion of mercury in glass is $\frac{1}{6500}{ }^{\circ} \mathrm{C}$ )

1 $5.46 \mathrm{~g}$
2 $6.54 \mathrm{~g}$
3 $10.92 \mathrm{~g}$
4 $13.08 \mathrm{~g}$
Thermal Properties of Matter

146609 When the temperature of a body increase from $t$ to $t+\Delta t$, its moment of inertia increases from I to $I+\Delta I$. The coefficient of linear expansion of the body is $\alpha$. The ratio $\frac{\Delta I}{I}$ is:

1 $\frac{\Delta \mathrm{t}}{\mathrm{t}}$
2 $\frac{2 \Delta \mathrm{t}}{\mathrm{t}}$
3 $\alpha \Delta \mathrm{t}$
4 $2 \alpha \Delta \mathrm{t}$
Thermal Properties of Matter

146611 The length of a metal rod at $0^{\circ} \mathrm{C}$ is $0.5 \mathrm{~m}$. When it is heated, its length increases by $2.7 \mathrm{~mm}$. The final temperature of the rod is: (Coefficient of linear expansion of the metal $=90 \times 10^{-6} /{ }^{\circ} \mathrm{C}$ )

1 $20^{\circ} \mathrm{C}$
2 $30^{\circ} \mathrm{C}$
3 $40^{\circ} \mathrm{C}$
4 $60^{\circ} \mathrm{C}$
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Thermal Properties of Matter

146607 Two marks on a glass $\operatorname{rod} 10 \mathrm{~cm}$ apart are found to increase their distance by $0.08 \mathrm{~mm}$ when the rod is heated from $0^{\circ} \mathrm{C}$ to $100^{\circ} \mathrm{C}$. A flask made of the same glass as that of rod measures a volume of 1000 cc at $0^{0} \mathrm{C}$. The volume it measures at $100 \mathrm{cc}$ at $0^{0} \mathrm{C}$. The volume it measures at $100^{\circ} \mathrm{C}$ in cc is:

1 1002.4
2 1004.2
3 1006.4
4 1008.2
Thermal Properties of Matter

146608 A specific gravity bottle is filled to the brim with mercury of $400 \mathrm{~g}$ at $0^{\circ} \mathrm{C}$. When heated to $90^{\circ} \mathrm{C}$, the mass of mercury that overflows from the specific gravity bottle is: (Coefficient of apparent expansion of mercury in glass is $\frac{1}{6500}{ }^{\circ} \mathrm{C}$ )

1 $5.46 \mathrm{~g}$
2 $6.54 \mathrm{~g}$
3 $10.92 \mathrm{~g}$
4 $13.08 \mathrm{~g}$
Thermal Properties of Matter

146609 When the temperature of a body increase from $t$ to $t+\Delta t$, its moment of inertia increases from I to $I+\Delta I$. The coefficient of linear expansion of the body is $\alpha$. The ratio $\frac{\Delta I}{I}$ is:

1 $\frac{\Delta \mathrm{t}}{\mathrm{t}}$
2 $\frac{2 \Delta \mathrm{t}}{\mathrm{t}}$
3 $\alpha \Delta \mathrm{t}$
4 $2 \alpha \Delta \mathrm{t}$
Thermal Properties of Matter

146611 The length of a metal rod at $0^{\circ} \mathrm{C}$ is $0.5 \mathrm{~m}$. When it is heated, its length increases by $2.7 \mathrm{~mm}$. The final temperature of the rod is: (Coefficient of linear expansion of the metal $=90 \times 10^{-6} /{ }^{\circ} \mathrm{C}$ )

1 $20^{\circ} \mathrm{C}$
2 $30^{\circ} \mathrm{C}$
3 $40^{\circ} \mathrm{C}$
4 $60^{\circ} \mathrm{C}$