Chapter-13: Kinetic Theory

1. A real gas behaves like an ideal gas if its –

  • both pressure and temperature are high
  • both pressure and temperature are low
  • the pressure is high and the temperature is low
  • the pressure is low and the temperature is high

Answer
the pressure is low and the temperature is high

2. Perfect gas equation –

  • PV = RT
  • PV = R/T
  • PV = T/R
  • PV = RV

Answer
PV = RT 

3. Charles law –

  • V/T = const
  • VT = const
  • PV = const
  • V = 1/T

Answer
PV = const

4. Boyle’s law const

  • V/T = const
  • PV = const
  • VT = const
  • P = 1/V

Answer
PV = const

5. Degree of freedom for Monoatomie gas is –

  • 3
  • 5
  • 8
  • 7

Answer
3

6. Degree of freedom for Diatomic gas is –

  • 3
  • 8
  • 7
  • 5

Answer
5

7. The degree of freedom of a Triatemic gas is –

  • 3
  • 5
  • 6
  • 8

Answer
6

8. If the pressure and the volume of a certain quantity of ideal gas are doubled, then its temperature-

  • ¬†become doubled
  • become one – fourth
  • remains constant
  • become four times

Answer
become four times

9. If the pressure and the volume of a certain quality of ideal gas are hail, then its temperature –

  • doubled
  • becomes one fourth
  • remains constant
  • become four-time

Answer
becomes one fourth

10. The volume of a gas is increasing adiabatically. Its temperature –

  • will increases
  • will decreases
  • will remains constant
  • can increases or decreases

Answer
will decreases