COMEDK-UGET SERIES Physics
Surface Tension
3 previous year questions.
Volume: 3 Ques
Yield: Medium
High-Yield Trend
1
2024 1
2021 1
2004 Chapter Questions 3 MCQs
01
PYQ 2004
medium
physics ID: comedk-u
Two narrow capillary tubes A and B are of lengths ( and 111 and of same radius r. The rate of flow of water through the tube A under a constant pressure head P is 3 . If A and B are connected in series and the same pressure difference P is maintained between the ends of the composite tube, then the rate of flow of water is :
1
2
3
4
none of these
02
PYQ 2021
medium
physics ID: comedk-u
The surface tension of a liquid at its boiling point
1
becomes zero
2
becomes infinity
3
is equal to the value at room temperature
4
is half of the value at room temperature
03
PYQ 2024
medium
physics ID: comedk-u
What is the relation obeyed by the angles of contact , and of 3 liquids of different densities , , and respectively when they rise to the same capillary height in 3 identical capillaries and having nearly the same surface tension ?
1
2
3
4