ICSE Class 10 Kinetic Theory of Gases — Mock Test

Free online mock test for Kinetic Theory of Gases (ICSE Class 10 Physics) — 114 competency-based questions with instant marking. Try the samples below, then take the full test free.

Sample questions

1. 1.Avogadro's law (or hypothesis) states that equal volumes of all gases at equal temperature and pressure have
   • A.the same number of molecules
   • B.the same mass
   • C.the same molecular speed
   • D.the same molecular size
2. 2.Combining kinetic theory with the ideal gas equation, the average kinetic energy of a molecule equals
   • A.(3/2) kB T
   • B.(1/2) kB T
   • C.(3/2) R T
   • D.(5/2) kB T
3. 3.For a monatomic ideal gas, the molar specific heat at constant volume Cv is
   • A.(3/2) R
   • B.(5/2) R
   • C.(7/2) R
   • D.3 R
4. 4.![fig_12_4_molecule_wall.png]() For the collision shown, the magnitude of the change in momentum of the molecule (mass m) is:
   • A.2 m vx
   • B.m vx
   • C.zero
   • D.2 m (vx + vy + vz)
5. 5.For uranium hexafluoride isotopes of molecular masses 349 and 352, the percentage difference in their speeds at any temperature is approximately
   • A.0.44 %
   • B.0.86 %
   • C.1.77 %
   • D.3.0 %