JCECE SERIES Physics
Kinetic Theory
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
2
2010 1
2009 Chapter Questions 3 MCQs
01
PYQ 2009
medium
physics ID: jcece-20
A sealed container with negligible coefficient of volumetric expansion contains helium (a monoatomic gas). When it is heated from 300 K to 600 K, the average KE of helium atoms is
1
halved
2
unchanged
3
doubled
4
increased by factor
02
PYQ 2010
medium
physics ID: jcece-20
Ideal gas and real gas have major difference of
1
phase transition
2
temperature
3
pressure
4
None of the above
03
PYQ 2010
medium
physics ID: jcece-20
Air is pumped into an automobile tube upto a pressure of 200 kPa in the morning when the air temperature is 22 C. During the day, temperature rises to 42 C and the tube expands by 2 %. The pressure of the air in the tube at this temperature, will be approximately
1
212 kPa
2
209 kPa
3
206 kPa
4
200 kPa