Physics
Fluid-Mechanics
Easy
Question
The property of surface tension is obtained in
- Solids, liquids and gases
- Liquids
- Gases
- Matter
The correct answer is: Liquids
Related Questions to study
Physics
Bernoulli's equation can be written in the following different forms (Column I). Column II lists certain units each of which pertains to one of the possible forms of the equation Match the unit associated with each of the equations.
Column I
Column II
(i) 
constant
(a) Total energy per unit mass
(ii) 
constant
(b) Total energy per unit weight
(iii) 
constant
(c) Total energy per unit volume
|
Column I |
Column II |
| (i) constant |
(a) Total energy per unit mass |
| (ii) constant |
(b) Total energy per unit weight |
| (iii) constant |
(c) Total energy per unit volume |
Bernoulli's equation can be written in the following different forms (Column I). Column II lists certain units each of which pertains to one of the possible forms of the equation Match the unit associated with each of the equations.
Column I
Column II
(i) constant
(a) Total energy per unit mass
(ii) constant
(b) Total energy per unit weight
(iii) constant
(c) Total energy per unit volume
|
Column I |
Column II |
| (i) constant |
(a) Total energy per unit mass |
| (ii) constant |
(b) Total energy per unit weight |
| (iii) constant |
(c) Total energy per unit volume |
PhysicsFluid-Mechanics
Physics
A cylinder of weight W is floating in two liquids as shown in figure. Net force on cylinder from top is F1 and force on cylinder from the bottom is F2. Match the following two columns.
Column I
Column II
(i) Net force on cylinder liquid -1
(a) Zero
(ii) 
(b) W
(iii) Net force on cylinder from liquid -2
(c) Net upthrust
(iv) Net force on cylinder from atmosphere
(d) None of these
|
Column I |
Column II |
| (i) Net force on cylinder liquid -1 |
(a) Zero |
| (ii) |
(b) W |
| (iii) Net force on cylinder from liquid -2 |
(c) Net upthrust |
| (iv) Net force on cylinder from atmosphere |
(d) None of these |
A cylinder of weight W is floating in two liquids as shown in figure. Net force on cylinder from top is F1 and force on cylinder from the bottom is F2. Match the following two columns.
Column I
Column II
(i) Net force on cylinder liquid -1
(a) Zero
(ii)
(b) W
(iii) Net force on cylinder from liquid -2
(c) Net upthrust
(iv) Net force on cylinder from atmosphere
(d) None of these
|
Column I |
Column II |
| (i) Net force on cylinder liquid -1 |
(a) Zero |
| (ii) |
(b) W |
| (iii) Net force on cylinder from liquid -2 |
(c) Net upthrust |
| (iv) Net force on cylinder from atmosphere |
(d) None of these |
PhysicsFluid-Mechanics
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The vessel shown in the figure contains water,
For this arrangement, answer the following questions:
The net force acting on the base of the vessel is
The vessel shown in the figure contains water, For this arrangement, answer the following questions:
The net force acting on the base of the vessel is
PhysicsFluid-Mechanics
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The gauge pressure in the main water pipe is 400 KPa. Tue work done to pump water At a gauge pressure of 100 KPa is 
. Then volume of water pumped is
The gauge pressure in the main water pipe is 400 KPa. Tue work done to pump water At a gauge pressure of 100 KPa is . Then volume of water pumped is
PhysicsFluid-Mechanics
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In a horizontal pipe line of uniform cross section as pressure falls between two points separated by certain distance, the change in the kinetic energy of the oil flowing between these two points is 
and density of the oil is 
. Then the fall in pressure between those two points is
In a horizontal pipe line of uniform cross section as pressure falls between two points separated by certain distance, the change in the kinetic energy of the oil flowing between these two points is and density of the oil is . Then the fall in pressure between those two points is
PhysicsFluid-Mechanics
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If a liquid enters a section of tube of radius 5 cm with a velocity l6 ms-1, the velocity with which it leaves another section of the tube of radius 4 cm (assuming the tube horizontal)
If a liquid enters a section of tube of radius 5 cm with a velocity l6 ms-1, the velocity with which it leaves another section of the tube of radius 4 cm (assuming the tube horizontal)
PhysicsFluid-Mechanics
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A garden hose having an internal diameter of 2cm is connected to a lawn sprinkler with 20 holes, each 0.2 cm in diameter. If the water in the hose has a speed of 
, the speed with which it leaves the sprinkler holes is
A garden hose having an internal diameter of 2cm is connected to a lawn sprinkler with 20 holes, each 0.2 cm in diameter. If the water in the hose has a speed of , the speed with which it leaves the sprinkler holes is
PhysicsFluid-Mechanics
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The level of water in a vessel falls from a height 36 cm to 16 cm in 6 minutes as water flows out through a hole in its bottom. At the end of next 3 minutes, the height of water level in the vessel will be
The level of water in a vessel falls from a height 36 cm to 16 cm in 6 minutes as water flows out through a hole in its bottom. At the end of next 3 minutes, the height of water level in the vessel will be
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A water tank has a small orifice of area 1 mm2 in its vertical side. It is 5 m below the surface level of water. If g=10 ms-2, the volume of water escaping from the orifice in one second
A water tank has a small orifice of area 1 mm2 in its vertical side. It is 5 m below the surface level of water. If g=10 ms-2, the volume of water escaping from the orifice in one second
PhysicsFluid-Mechanics
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In an experiment, the pressure on the top surface of an aeroplane wing is 
and that on the bottom surface is 
. If the area of eat surface is 
, the lift force on the wing is
In an experiment, the pressure on the top surface of an aeroplane wing is and that on the bottom surface is . If the area of eat surface is , the lift force on the wing is
PhysicsFluid-Mechanics
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A liquid of density 800 Kg m-3 is filled in a large vessel open at the top. The total pressure at the bottom of the vessel is 1.6 atm. If a hole is made at the bottom of the tank, the velocity of efflux through the hole is 
.
A liquid of density 800 Kg m-3 is filled in a large vessel open at the top. The total pressure at the bottom of the vessel is 1.6 atm. If a hole is made at the bottom of the tank, the velocity of efflux through the hole is .
PhysicsFluid-Mechanics
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Water is flowing through two horizontal pipe of different radii which are connected together. In the first pipe speed of water is 
and the pressure is 
. pipes Then pressure of water in the second pipe is ( radii of those are in the ratio 1 : 2)
Water is flowing through two horizontal pipe of different radii which are connected together. In the first pipe speed of water is and the pressure is . pipes Then pressure of water in the second pipe is ( radii of those are in the ratio 1 : 2)
PhysicsFluid-Mechanics
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Water flows at the rate of 
through a pipe of radius 2 cm and emerges from nozzle of radius 1 cm. If the nozzle is directed vertically upwards, water rises to maximum height of 
.
Water flows at the rate of through a pipe of radius 2 cm and emerges from nozzle of radius 1 cm. If the nozzle is directed vertically upwards, water rises to maximum height of .
PhysicsFluid-Mechanics
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Water enters a horizontal pipe of non uniform cross section with a velocity of 
and leaves the other end with a velocity of 
. Pressure of water at the first end is 
, then pressure at the other end is
Water enters a horizontal pipe of non uniform cross section with a velocity of and leaves the other end with a velocity of . Pressure of water at the first end is , then pressure at the other end is
PhysicsFluid-Mechanics
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Water from a tap at the end of horizontal pipe emerges vertically downwards with an initial speed of 
. The cross section of the pipe is 
at the top. If the pressure of the stream is constant throughout, the area of the stream 0 -15 m below the tap is
Water from a tap at the end of horizontal pipe emerges vertically downwards with an initial speed of . The cross section of the pipe is at the top. If the pressure of the stream is constant throughout, the area of the stream 0 -15 m below the tap is
PhysicsFluid-Mechanics
