Recently Active Thermal Physics Questions

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A filled water bottle is lying on the ground. You pick it up and put it on a table which is at some height from the ground. Thus the potential energy of the bottle increases. Does the internal energy of the water molecules in ...

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Two monoatomic ideal gas at temperature T1 and T2 are mixed. There is no loss of energy. If the masses of the molecules are m1 and m2 and the number of their molecules are n1 and n2 resp. The temperature of the mixture will b ...

if heat is added to at constant volume ,6300J of heat are required to raise the temperature of an ideal gas by 150K . If instead heat is added at constant press. , 8800J are required for the same temp. change . when the tempe ...

an open and wide glass tube is immersed vertically in such a way that the length 0.05m extends above mercury level. the open end of the tube is closed and the tube is further raised by 0.43m . the length of air column above m ...

Two identical vessel A&B contain equal amount of ideal monoatomic gas . The piston of A is fixed but that of b is free to move. same amount of heat is absorbed by A & B . if B's internal energy increases by 100J the change in ...

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five moles of helium are mixed with two moles of hydrogen to form a mixture . The molar mass of helim M1=4g and that of M2=2g . then the equivalent molar mass of the mixture will be ? a. 6g b. 13g/7 c. 18g/7 d. none ...

an ideal gas of molar mass M is contained in a vertical tube of height H , closed at both ends. the tube is acelerating vertically upwards with a accleration g . then the ratio of pressure at the bottom and at the mid point o ...

a cylinder containing gas at 27o C is divided into two parts of equal volume each of 100cc and at equal pressure by a piston of cross section area 10.85cm2 . the gas in one part is raised in temperature to 100o C while the ot ...

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Two rods of different materials with coefficients of linear expansion α1 and α2 respectively; Young's moduli Y1 & Y2 respectively; of initial lengths l1 and l2 respectively are joined at one end. the free ends are fixed to ...

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A cylinder of radius R made of a material of thermal conductivity 7 is surrounded by a cylindrical shell of inner radius R and outer radius 2R. The shell is made of a material of thermal conductivity 3. The two ends of the co ...

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Temperature increase by 100°C, when 2075 J heat given to 1mol of ideal gas at constant pressure.Find out the change in internal energy and work done by the gas. Given Cv=12.45J mole-1K-1 ...

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