KEAM SERIES Physics
Surface Tension
8 previous year questions.
Volume: 8 Ques
Yield: Medium
High-Yield Trend
2
2025 2
2024 1
2023 1
2015 1
2010 1
2009 Chapter Questions 8 MCQs
01
PYQ 2009
medium
physics ID: keam-200
The excess pressure inside a spherical drop of water is four times that of another drop. Then their respective mass ratio is
1
2
3
4
02
PYQ 2010
easy
physics ID: keam-201
identical drops, each of capacitance and charged to a potential , coalesce to form a bigger drop. Then the ratio of the energy stored in the big drop to that in each small drop is
1
2
3
4
03
PYQ 2015
medium
physics ID: keam-201
Two capillary tubes A and B of diameter and respectively are dipped vertically in a liquid. If the capillary rise in A is 6 cm, then the capillary rise in B is
1
2 cm
2
3 cm
3
4 cm
4
6 cm
04
PYQ 2023
easy
physics ID: keam-202
A glass capillary of radius 0.15 mm is dipped into a liquid of density and surface tension 1600 kg/m3 and 0.12 Nm-1,respectively. The liquid in the capillary rises by a height of 5.0 cm. The contact angle between liquid and glass will be:(Take g=10 ms-2)
1
30°
2
0°
3
45°
4
75°
5
60°
05
PYQ 2024
medium
physics ID: keam-202
The energy stored in a soap bubble of diameter 4 cm is nearly (surface tension of soap solution is 0.07 N/m)
1
J
2
J
3
J
4
J
5
J
06
PYQ 2024
medium
physics ID: keam-202
If the radii of two soap bubbles are respectively 2 cm and 3 cm, then the ratio of the excess pressures inside the soap bubbles is
1
5:3
2
3:2
3
2:3
4
1:1
5
3:5
07
PYQ 2025
medium
physics ID: keam-202
If and are surface tension and coefficient of viscosity, if temperature increases, then:
1
Surface tension decreases, viscosity decreases
2
Surface tension decreases, viscosity increases
3
Surface tension increases, viscosity decreases
4
Surface tension increases, viscosity increases
08
PYQ 2025
medium
physics ID: keam-202
Work done on splitting a spherical drop into 8 droplets?
1
2
3
4