Who gave the kinetic molecular theory of gas? from Physics Kinet

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 Multiple Choice QuestionsMultiple Choice Questions

81.

The temperature at which the mean KE of the molecules of gas is one-third of the mean KE of its molecules at 180°C is

  • -122°C

  • -90°

  • 60°C

  • 151°C


82.

The gas in a vessel is subjected to a pressure of 20 atm at a temperature 27°C. The  pressure of the gas in a vessel after one-half of the gas is released from the vessel and the temperature of the remainder is raised by 50°C is

  • 8.5 atm

  • 10.8 atm

  • 11.7 atm

  • 17 atm


83.

The temperature at which root mean square velocity of molecules of helium is equal to root mean square velocity of hydrogen at NTP is

  • 273°C

  • 273 K

  • 546°C

  • 844 K


84.

Relation between specific heats of an ideal gas

  • Cp + CV = R

  • Cp − CV = R

  • CpCV = R

  • CVCp = R


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85.

Who gave the kinetic molecular theory of gas?

  • Device

  • Einstein

  • Newton

  • Bernoulli


D.

Bernoulli

Bernoulli gave the kinetic molecular theory of gas.


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86.

A monoatomic gas supplied the heat Q very slowly keeping the pressure constant. The work done by the gas will be

  • 23 Q

  • 35Q

  • 25Q

  • 15Q


87.

For molecules of a gas have speeds 1, 2, 3 and 4 km/s. The value of the root mean square speed of the gas molecules is

  • 1215 km/s

  • 1210 km/s

  • 2.5 km/s

  • 152 km/s


88.

Volume versus temperature graphs for a given mass of an ideal gas are shown in figure. At two different values of constant pressure, what can be inferred about relation between p1 and p2 ?

     

  • p1 > p2

  • p1 = p2

  • p1 < p2

  • data is insufficient


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89.

Determine the mean free path of argon molecules under normal condition knowing that the molecule diameter is 0.4 nm.

  • 48 nm

  • 60 nm

  • 52 nm

  • 71 nm


90.

Six molecules speeds 2 unit, 5 unit, 3 unit, 6 units, 3 unit and 5 unit respectively. The rms speed is

  • 4 unit

  • 1.7 unit

  • 4.2 unit

  • 5 unit


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