Chapter 18 – Temperature and Thermal Expansion
Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 18 - Temperature and Thermal Expansion
In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures T1 and T2. The liquid columns in the two arms have heights l1 and l2, respectively. The coefficient of volume expansion of the liquid is equal to
06
Sep
In a vertical U-tube containing a liquid, the two arms are maintained at different temperatures T1 and T2. The liquid columns in the two arms have heights l1 and l2, respectively. The coefficient of volume expansion of the liquid is equal to In a vertical U-tube containing a liquid respectively. The coefficient of volume expansion [...]
When a block of iron in mercury at 0 C, fraction K_1of its volume is submerged, while at the temperature 60 C, a fraction K_2 is seen to be submerged. If the coefficient of volume expansion of iron is gamma_(Fe) and that of mercury is gamma_(Hg), then the ratio (K_1)/(K_2) can be expressed as
06
Sep
When a block of iron in mercury at 0 C, fraction K_1of its volume is submerged, while at the temperature 60 C, a fraction K_2 is seen to be submerged. If the coefficient of volume expansion of iron is gamma_(Fe) and that of mercury is gamma_(Hg), then the ratio (K_1)/(K_2) can be expressed as a [...]
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a fraction K_2 is seen to be submerged. If the coefficient of volume expansion of iron is gamma_(Fe) and that of mercury is gamma_(Hg) ,
fraction K_1of its volume is submerged ,
then the ratio (K_1)/(K_2) can be expressed as ,
When a block of iron in mercury at 0 C ,
while at the temperature 60 C ,
A block of wood is floating on water at 0°C with a certain volume V above water level. The temperature of water is slowly raised to 20°C. How does the volume V change with the rise of temperature?
06
Sep
A block of wood is floating on water at 0°C with a certain volume V above water level. The temperature of water is slowly raised to 20°C. How does the volume V change with the rise of temperature? A block of wood is floating on water at 0°C with a certain volume V above water [...]
A metal ball immersed in alcohol weighs W1 at 0º C and W2 at 50ºC. The coefficient of cubical expansion of the metal is less than that of the alcohol. Assuming that the density of the metal is large compared to that of alcohol, it can be shown that:
06
Sep
A metal ball immersed in alcohol weighs W1 at 0º C and W2 at 50ºC. The coefficient of cubical expansion of the metal is less than that of the alcohol. Assuming that the density of the metal is large compared to that of alcohol, it can be shown that: Maximum density of H2O is at [...]
A metal ball is being weighed in liquid whose temperature is raised continuously. Then the apparent weight of the ball.
06
Sep
A metal ball is being weighed in liquid whose temperature is raised continuously. Then the apparent weight of the ball. A metal ball is being weighed in liquid whose temperature is raised continuously. Then the apparent weight of the ball. September 6, 2021 Category: Cengage NEET by C.P Singh , Chapter 18 - Temperature and [...]
A solid with coefficient of linear expansion aplha just floats in a liquid whose coefficient of volume expansion is gamma . If the system is heated, the solid will
06
Sep
A solid with coefficient of linear expansion aplha just floats in a liquid whose coefficient of volume expansion is gamma . If the system is heated, the solid will A solid with coefficient of linear expansion aplha just floats in a liquid whose coefficient of volume expansion is gamma . If the system is heated [...]
An aluminum sphere is dipped into water at 10^oC. If the temperature is increased, the force of buoyancy:
06
Sep
An aluminum sphere is dipped into water at 10^oC. If the temperature is increased, the force of buoyancy: An aluminum sphere is dipped into water at 10^oC. If the temperature is increased the force of buoyancy: September 6, 2021 Category: Cengage NEET by C.P Singh , Chapter 18 - Temperature and Thermal Expansion , Part [...]
Two metal rods of the same length and area of cross-section are fixed end to end between rigid supports. The materials of the rods have Young module Y_(1) and Y_(2) , and coefficient of linear expansion alpha_(1) and alpha_(2) . The junction between the rods does not shift and the rods are cooled
06
Sep
Two metal rods of the same length and area of cross-section are fixed end to end between rigid supports. The materials of the rods have Young module Y_(1) and Y_(2) , and coefficient of linear expansion alpha_(1) and alpha_(2) . The junction between the rods does not shift and the rods are cooled and coefficient [...]
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and coefficient of linear expansion alpha_(1) and alpha_(2) . The junction between the rods does not shift and the rods are cooled ,
Two metal rods of the same length and area of cross-section are fixed end to end between rigid supports. The materials of the rods have Young module Y_(1) and Y_(2) ,
A steel rod of length 25 cm has a cross-sectional area of 0.8 cm^(2) . The force required to stretch this rod by the same amount as the expansion produced by heating it through 10 C is (alpha_(steel) = 10^(-5)/ C and Y_(steel) = 2 x 10^(10)N/m^(2))
06
Sep
A steel rod of length 25 cm has a cross-sectional area of 0.8 cm^(2) . The force required to stretch this rod by the same amount as the expansion produced by heating it through 10 C is (alpha_(steel) = 10^(-5)/ C and Y_(steel) = 2 x 10^(10)N/m^(2)) Maximum density of H2O is at the temperature [...]
A second’s pendulum gives correct time at 25 C . The pendulum shaft is thin and is made of steel. How many second will it lose per day at 35 C ? (alpha_(steel)=11×10^(-5)/C)
06
Sep
A second’s pendulum gives correct time at 25 C . The pendulum shaft is thin and is made of steel. How many second will it lose per day at 35 C ? (alpha_(steel)=11×10^(-5)/C) A second's pendulum gives correct time at 25 C . The pendulum shaft is thin and is made of steel. How many [...]