Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Heat and Thermodynamics question

2022 · Q181
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /NEET
  3. /Physics
  4. /Heat and Thermodynamics
  5. /2022 · Q181

Heat and Thermodynamics question

2022 · Q181

NEETPhysicsHeat and ThermodynamicsMCQ+4 / −1

Three vessels of equal capacity have gases at the same temperature and pressure. The first vessel contains helium (monoatomic), the second contains fluorine (diatomic) and the third contains sulfur hexafluoride (polyatomic). The correct statement, among the following is :

  1. A
    The root mean square speed of sulfur hexafluoride is the largest
  2. B
    All vessels contain unequal number of respective molecules
  3. C
    The root mean square speed of molecules is same in all three cases
  4. D
    The root mean square speed of helium is the largest
PreviousNext

More from Heat and Thermodynamics

  • An ideal gas undergoes four different processes from the same initial state as shown in the figure below. Those processes are adiabatic, isothermal, isobaric and isochoric. The curve which represents the adiabatic process among 1, 2, 3 and… Includes diagram2022 · MCQ
  • The volume occupied by the molecules contained in 4.5 kg water at STP, if the intermolecular forces vanish away is2022 · MCQ
  • A cup of coffee cools from 90∘C to 80∘C in t minutes, when the room temperature is 20∘C. The time taken by a similar cup of coffee to cool from 80∘C to 60∘C at a room temperature same at 20∘C is :2021 · MCQ
  • Match Column - I and Column - II and choose the correct match from the given choices. Includes table2021 · MCQ
  • The average thermal energy for a mono-atomic gas is : (kB is Boltzmann constant and T absolute temperature)2020 · MCQ
  • The mean free path for a gas, with molecular diameter d and number density n can be expressed as :2020 · MCQ
  • A cylinder contains hydrogen gas at pressure 249 kPa and temperature 27∘C Its density is : (R = 8.3 J mol-1 K-1)2020 · MCQ
  • The quantities of heat required to raise the temperature of two solid copper spheres of radii r1 and r2 (r1 = 1.5r2) through 1 K are in the ratio :2020 · MCQ