BHU-UET SERIES Physics
Kinetic Theory
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2011 1
2010 2
2008 1
2007 Chapter Questions 5 MCQs
01
PYQ 2007
medium
physics ID: bhu-uet-
The kinetic energy of molecule of a gas, at normal temperature and pressure is
1
2
3
4
02
PYQ 2008
easy
physics ID: bhu-uet-
The speed of sound in hydrogen at NTP is Then, the speed in a mixture of hydrogen and oxygen in the ratio by volume will be
1
317 ms
2
635 ms
3
830 ms
4
950 ms
03
PYQ 2008
medium
physics ID: bhu-uet-
Two vessels and having equal volume contain equal masses of hydrogen in and helium in at . Then, mark the correct statement.
1
The pressure exerted by hydrogen is half that exerted by helium
2
The pressure exerted by hydrogen is equal to that exerted by helium
3
Average KE of the molecule of hydrogen is half the average KE of the molecules of helium
4
The pressure exerted by hydrogen is twice that exerted by helium
04
PYQ 2010
medium
physics ID: bhu-uet-
A closed vessel contains of oxygen and of nitrogen. The total pressure is atm at a given temperature. If now oxygen is absorbed by introducing a suitable absorbent the pressure of the remaining gas (in atm) will be
1
2
2
10
3
4
4
5
05
PYQ 2011
medium
physics ID: bhu-uet-
Heat absorbed by a mass of 1 g of helium, when its temperature rises from to at constant volume, is H. Heat absorbed by 7 g of nitrogen, when its temperature rises from to at constant volume, is . The ratio of H to is
1
2
3
4