Thermal Expansion
PHXI11:THERMAL PROPERTIES OF MATTER

366794 A clock with a metal pendulum beating seconds keeps correct time at \(0^\circ {\rm{C}}\). If it loses \(12.5\;s\) a day at \(25^\circ C\), the coefficient of linear expansion of metal pendulum is

1 \(\frac{1}{{86400}}/^\circ C\)
2 \(\frac{1}{{43200}}/^\circ {\rm{C}}\)
3 \(\frac{1}{{14400}}/^\circ {\rm{C}}\)
4 \(\frac{1}{{28800}}/^\circ {\rm{C}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366795 For a certain thermocouple, if the temperature of the cold junction is \(0^\circ C,\) the neutral temperature and inversion temperatures are \(285^\circ C\) and \(570^\circ C,\) respectively. If the cold junction is brought to \(10^\circ C,\) then the new neutral and inversion temperatures are respectively

1 \(285^\circ C\) and \(560^\circ C\)
2 \(285^\circ C\) and \(570^\circ C\)
3 \(295^\circ C\) and \(560^\circ C\)
4 \(275^\circ C\) and \(560^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366796 A wire of length \(L_{0}\) is supplied heat to raise its temperature by \(T\). If \(\gamma\) is the coefficient of volume expansion of the wire and \(Y\) is young's modulus of the wire then the energy density stored in the wire is

1 \(\dfrac{1}{2} \gamma^{2} T^{2} Y\)
2 \(\dfrac{1}{3} \gamma^{2} T^{2} Y^{3}\)
3 \(\dfrac{1}{18} \dfrac{\gamma^{2} T^{2}}{Y}\)
4 \(\dfrac{1}{18} \gamma^{2} T^{2} Y\)
PHXI11:THERMAL PROPERTIES OF MATTER

366797 Coefficient of cubical expansion of water is zero at

1 \(0^\circ C\)
2 \(4^\circ C\)
3 \(15.5^\circ C\)
4 \(100^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366794 A clock with a metal pendulum beating seconds keeps correct time at \(0^\circ {\rm{C}}\). If it loses \(12.5\;s\) a day at \(25^\circ C\), the coefficient of linear expansion of metal pendulum is

1 \(\frac{1}{{86400}}/^\circ C\)
2 \(\frac{1}{{43200}}/^\circ {\rm{C}}\)
3 \(\frac{1}{{14400}}/^\circ {\rm{C}}\)
4 \(\frac{1}{{28800}}/^\circ {\rm{C}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366795 For a certain thermocouple, if the temperature of the cold junction is \(0^\circ C,\) the neutral temperature and inversion temperatures are \(285^\circ C\) and \(570^\circ C,\) respectively. If the cold junction is brought to \(10^\circ C,\) then the new neutral and inversion temperatures are respectively

1 \(285^\circ C\) and \(560^\circ C\)
2 \(285^\circ C\) and \(570^\circ C\)
3 \(295^\circ C\) and \(560^\circ C\)
4 \(275^\circ C\) and \(560^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366796 A wire of length \(L_{0}\) is supplied heat to raise its temperature by \(T\). If \(\gamma\) is the coefficient of volume expansion of the wire and \(Y\) is young's modulus of the wire then the energy density stored in the wire is

1 \(\dfrac{1}{2} \gamma^{2} T^{2} Y\)
2 \(\dfrac{1}{3} \gamma^{2} T^{2} Y^{3}\)
3 \(\dfrac{1}{18} \dfrac{\gamma^{2} T^{2}}{Y}\)
4 \(\dfrac{1}{18} \gamma^{2} T^{2} Y\)
PHXI11:THERMAL PROPERTIES OF MATTER

366797 Coefficient of cubical expansion of water is zero at

1 \(0^\circ C\)
2 \(4^\circ C\)
3 \(15.5^\circ C\)
4 \(100^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366794 A clock with a metal pendulum beating seconds keeps correct time at \(0^\circ {\rm{C}}\). If it loses \(12.5\;s\) a day at \(25^\circ C\), the coefficient of linear expansion of metal pendulum is

1 \(\frac{1}{{86400}}/^\circ C\)
2 \(\frac{1}{{43200}}/^\circ {\rm{C}}\)
3 \(\frac{1}{{14400}}/^\circ {\rm{C}}\)
4 \(\frac{1}{{28800}}/^\circ {\rm{C}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366795 For a certain thermocouple, if the temperature of the cold junction is \(0^\circ C,\) the neutral temperature and inversion temperatures are \(285^\circ C\) and \(570^\circ C,\) respectively. If the cold junction is brought to \(10^\circ C,\) then the new neutral and inversion temperatures are respectively

1 \(285^\circ C\) and \(560^\circ C\)
2 \(285^\circ C\) and \(570^\circ C\)
3 \(295^\circ C\) and \(560^\circ C\)
4 \(275^\circ C\) and \(560^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366796 A wire of length \(L_{0}\) is supplied heat to raise its temperature by \(T\). If \(\gamma\) is the coefficient of volume expansion of the wire and \(Y\) is young's modulus of the wire then the energy density stored in the wire is

1 \(\dfrac{1}{2} \gamma^{2} T^{2} Y\)
2 \(\dfrac{1}{3} \gamma^{2} T^{2} Y^{3}\)
3 \(\dfrac{1}{18} \dfrac{\gamma^{2} T^{2}}{Y}\)
4 \(\dfrac{1}{18} \gamma^{2} T^{2} Y\)
PHXI11:THERMAL PROPERTIES OF MATTER

366797 Coefficient of cubical expansion of water is zero at

1 \(0^\circ C\)
2 \(4^\circ C\)
3 \(15.5^\circ C\)
4 \(100^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366794 A clock with a metal pendulum beating seconds keeps correct time at \(0^\circ {\rm{C}}\). If it loses \(12.5\;s\) a day at \(25^\circ C\), the coefficient of linear expansion of metal pendulum is

1 \(\frac{1}{{86400}}/^\circ C\)
2 \(\frac{1}{{43200}}/^\circ {\rm{C}}\)
3 \(\frac{1}{{14400}}/^\circ {\rm{C}}\)
4 \(\frac{1}{{28800}}/^\circ {\rm{C}}\)
PHXI11:THERMAL PROPERTIES OF MATTER

366795 For a certain thermocouple, if the temperature of the cold junction is \(0^\circ C,\) the neutral temperature and inversion temperatures are \(285^\circ C\) and \(570^\circ C,\) respectively. If the cold junction is brought to \(10^\circ C,\) then the new neutral and inversion temperatures are respectively

1 \(285^\circ C\) and \(560^\circ C\)
2 \(285^\circ C\) and \(570^\circ C\)
3 \(295^\circ C\) and \(560^\circ C\)
4 \(275^\circ C\) and \(560^\circ C\)
PHXI11:THERMAL PROPERTIES OF MATTER

366796 A wire of length \(L_{0}\) is supplied heat to raise its temperature by \(T\). If \(\gamma\) is the coefficient of volume expansion of the wire and \(Y\) is young's modulus of the wire then the energy density stored in the wire is

1 \(\dfrac{1}{2} \gamma^{2} T^{2} Y\)
2 \(\dfrac{1}{3} \gamma^{2} T^{2} Y^{3}\)
3 \(\dfrac{1}{18} \dfrac{\gamma^{2} T^{2}}{Y}\)
4 \(\dfrac{1}{18} \gamma^{2} T^{2} Y\)
PHXI11:THERMAL PROPERTIES OF MATTER

366797 Coefficient of cubical expansion of water is zero at

1 \(0^\circ C\)
2 \(4^\circ C\)
3 \(15.5^\circ C\)
4 \(100^\circ C\)