01. Thermal Expansion (Linear, Area and Volume Expansion)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Thermal Properties of Matter

146509 When a body is heated, then maximum rise will be in its

1 length
2 surface area
3 volume
4 density
Thermal Properties of Matter

146510 A metal sphere immersed in water weighs $w_{1}$ at $0^{\circ} \mathrm{C}$ and $w_{2}$ at $50^{\circ} \mathrm{C}$. The coefficient of cubical expansion of the metal is less than that of water. Then

1 $\mathrm{w}_{1}>\mathrm{w}_{2}$
2 $\mathrm{w}_{1} \lt \mathrm{w}_{2}$
3 $\mathrm{w}_{1}=\mathrm{w}_{2}$
4 $\mathrm{w}_{1}=2 \mathrm{w}_{2}$
Thermal Properties of Matter

146511 A crystal has a coefficient of expansion $13 \times 10^{-7}$ in one direction and $231 \times 10^{-7}$ in every direction at right angles to it. Then the cubical coefficient of expansion is

1 $462 \times 10^{-7}$
2 $244 \times 10^{-7}$
3 $475 \times 10^{-7}$
4 $257 \times 10^{-7}$
Thermal Properties of Matter

146512 A steel rod of length $50 \mathrm{~cm}$ has a cross-sectional area of $0.4 \mathrm{~cm}^{2}$. What force would be required to stretch this rod by the same amount as the expansion produced by heating it through $10^{\circ} \mathrm{C}$. $\left(\alpha=10^{-5} \mathrm{~K}^{-1}\right.$ and $\left.\mathrm{Y}=2 \times 10^{11} \mathrm{~N} / \mathrm{m}^{2}\right)$

1 $600 \mathrm{~N}$
2 $800 \mathrm{~N}$
3 $500 \mathrm{~N}$
4 $400 \mathrm{~N}$
Thermal Properties of Matter

146509 When a body is heated, then maximum rise will be in its

1 length
2 surface area
3 volume
4 density
Thermal Properties of Matter

146510 A metal sphere immersed in water weighs $w_{1}$ at $0^{\circ} \mathrm{C}$ and $w_{2}$ at $50^{\circ} \mathrm{C}$. The coefficient of cubical expansion of the metal is less than that of water. Then

1 $\mathrm{w}_{1}>\mathrm{w}_{2}$
2 $\mathrm{w}_{1} \lt \mathrm{w}_{2}$
3 $\mathrm{w}_{1}=\mathrm{w}_{2}$
4 $\mathrm{w}_{1}=2 \mathrm{w}_{2}$
Thermal Properties of Matter

146511 A crystal has a coefficient of expansion $13 \times 10^{-7}$ in one direction and $231 \times 10^{-7}$ in every direction at right angles to it. Then the cubical coefficient of expansion is

1 $462 \times 10^{-7}$
2 $244 \times 10^{-7}$
3 $475 \times 10^{-7}$
4 $257 \times 10^{-7}$
Thermal Properties of Matter

146512 A steel rod of length $50 \mathrm{~cm}$ has a cross-sectional area of $0.4 \mathrm{~cm}^{2}$. What force would be required to stretch this rod by the same amount as the expansion produced by heating it through $10^{\circ} \mathrm{C}$. $\left(\alpha=10^{-5} \mathrm{~K}^{-1}\right.$ and $\left.\mathrm{Y}=2 \times 10^{11} \mathrm{~N} / \mathrm{m}^{2}\right)$

1 $600 \mathrm{~N}$
2 $800 \mathrm{~N}$
3 $500 \mathrm{~N}$
4 $400 \mathrm{~N}$
Thermal Properties of Matter

146509 When a body is heated, then maximum rise will be in its

1 length
2 surface area
3 volume
4 density
Thermal Properties of Matter

146510 A metal sphere immersed in water weighs $w_{1}$ at $0^{\circ} \mathrm{C}$ and $w_{2}$ at $50^{\circ} \mathrm{C}$. The coefficient of cubical expansion of the metal is less than that of water. Then

1 $\mathrm{w}_{1}>\mathrm{w}_{2}$
2 $\mathrm{w}_{1} \lt \mathrm{w}_{2}$
3 $\mathrm{w}_{1}=\mathrm{w}_{2}$
4 $\mathrm{w}_{1}=2 \mathrm{w}_{2}$
Thermal Properties of Matter

146511 A crystal has a coefficient of expansion $13 \times 10^{-7}$ in one direction and $231 \times 10^{-7}$ in every direction at right angles to it. Then the cubical coefficient of expansion is

1 $462 \times 10^{-7}$
2 $244 \times 10^{-7}$
3 $475 \times 10^{-7}$
4 $257 \times 10^{-7}$
Thermal Properties of Matter

146512 A steel rod of length $50 \mathrm{~cm}$ has a cross-sectional area of $0.4 \mathrm{~cm}^{2}$. What force would be required to stretch this rod by the same amount as the expansion produced by heating it through $10^{\circ} \mathrm{C}$. $\left(\alpha=10^{-5} \mathrm{~K}^{-1}\right.$ and $\left.\mathrm{Y}=2 \times 10^{11} \mathrm{~N} / \mathrm{m}^{2}\right)$

1 $600 \mathrm{~N}$
2 $800 \mathrm{~N}$
3 $500 \mathrm{~N}$
4 $400 \mathrm{~N}$
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
Thermal Properties of Matter

146509 When a body is heated, then maximum rise will be in its

1 length
2 surface area
3 volume
4 density
Thermal Properties of Matter

146510 A metal sphere immersed in water weighs $w_{1}$ at $0^{\circ} \mathrm{C}$ and $w_{2}$ at $50^{\circ} \mathrm{C}$. The coefficient of cubical expansion of the metal is less than that of water. Then

1 $\mathrm{w}_{1}>\mathrm{w}_{2}$
2 $\mathrm{w}_{1} \lt \mathrm{w}_{2}$
3 $\mathrm{w}_{1}=\mathrm{w}_{2}$
4 $\mathrm{w}_{1}=2 \mathrm{w}_{2}$
Thermal Properties of Matter

146511 A crystal has a coefficient of expansion $13 \times 10^{-7}$ in one direction and $231 \times 10^{-7}$ in every direction at right angles to it. Then the cubical coefficient of expansion is

1 $462 \times 10^{-7}$
2 $244 \times 10^{-7}$
3 $475 \times 10^{-7}$
4 $257 \times 10^{-7}$
Thermal Properties of Matter

146512 A steel rod of length $50 \mathrm{~cm}$ has a cross-sectional area of $0.4 \mathrm{~cm}^{2}$. What force would be required to stretch this rod by the same amount as the expansion produced by heating it through $10^{\circ} \mathrm{C}$. $\left(\alpha=10^{-5} \mathrm{~K}^{-1}\right.$ and $\left.\mathrm{Y}=2 \times 10^{11} \mathrm{~N} / \mathrm{m}^{2}\right)$

1 $600 \mathrm{~N}$
2 $800 \mathrm{~N}$
3 $500 \mathrm{~N}$
4 $400 \mathrm{~N}$