BITSAT SERIES Physics
Surface Tension
6 previous year questions.
Volume: 6 Ques
Yield: Medium
High-Yield Trend
1
2019 1
2017 1
2016 1
2014 1
2010 1
2008 Chapter Questions 6 MCQs
01
PYQ 2008
easy
physics ID: bitsat-2
The surface tension of soap solution is . The work done in blowing to form a soap bubble of surface area is
02
PYQ 2010
medium
physics ID: bitsat-2
Two circular plates of radius each, have a thick water film between them. Then what will be the force required to separate these plate (S.T. of water = dyne/cm) ?
1
125 N
2
95 N
3
115 N
4
105 N
03
PYQ 2014
easy
physics ID: bitsat-2
The work done in blowing a soap bubble of surface tension from radius to radius is.
1
0.004168 J
2
0.003168 J
3
0.003158 J
4
0.004568 J
04
PYQ 2016
easy
physics ID: bitsat-2
A capillary tube of radius is immersed vertically in a liquid such that liquid rises in it to height (less than the length of the tube). Mass of liquid in the capillary tube is . If radius of the capillary tube is increased by , then mass of liquid that will rise in the tube, is
1
2
m
3
4
05
PYQ 2017
easy
physics ID: bitsat-2
A mercury drop of radius is sprayed into drops of equal size. The energy expended in joule is (surface tension of mercury is ):
1
2
3
4
06
PYQ 2019
medium
physics ID: bitsat-2
With the increase in temperature, the angle of contact
1
decreases
2
increases
3
remains constant
4
sometimes increases and sometimes decreases