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class 11
| physics
Solutions for all the questions from class 11
of subject physics
CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
physics
CHAPTER
calorimetry
capacitor
center of mass
centre of mass
centre of mass linear momentum
centre of mass linear momentum and collision
circular motion
collision
current electricity
electrostatics
View All ↓
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Which of the following statement is not true about angle of contact?
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Water rises to a height of
1
6
.
3
c
m
in a capillary of height
1
8
c
m
above the water level.If the tube is cut at a height of
1
2
c
m
:
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Two vertical glass plates 1 mm apart are dipped into water, How high will the water rise between the plates, if the surface tension of water is 70 dyne/cm?
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A drop of some liquid of volume
0
.
0
4
c
m
3
is placed on the surface of a glass slide. Then another glass slide is placed on it in such a way that the liquid forms a thin layer of area 20
c
m
2
between the surface of the two slides. To seperate the slides a force of
1
6
×
1
0
3
dyne has to be applied normal to the surface. The surface tension of the liquid is (in dyne
c
m
−
1
)
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
The ratio of tensions in the string connected to the block of mass
m
2
in Fig. A.11
(
a
)
−
(
b
)
, respectively, is (friction is absent everywhere):
[
m
1
=
5
0
k
g
,
m
2
=
8
0
k
g
and
F
=
1
0
0
0
N
]
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Two mercury drops (each of radius r) merge to form bigger drop. the surface energy of the bigger drop, if T is the surface tension , is
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Drops of liquid of density p are floating in a liquid of density
ρ
L
. If the surface tension is T, the radius of the drop will be
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Inside a soap bubble of diameter
0
.
3
5
cm, the air pressure is equal to the 8 mm of water outside it, the surface tension of solution will be
(
ρ
=
1
g
m
/
c
c
)
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
In order to raise a block of mass
1
0
0
kg a man of mass
6
0
kg fastens a rope to it and passes the rope over a smooth pulley. He climbs the rope with an acceleration
4
5
g
relative to rope. The tension in the rope is
(
g
=
1
0
m
s
−
2
)
.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A sphere is just immersed in a liquid. Find the ratio of hydrostatic force acting on top and bottom half of the sphere.
1
2
3
4
5
6
7
8
9
10
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class 11
| physics
Solutions for all the questions from class 11
of subject physics
Filter Results
CLASS
class 10
class 11
class 12
class 6
class 7
class 8
class 9
SUBJECT
physics
CHAPTER
calorimetry
capacitor
center of mass
centre of mass
centre of mass linear momentum
centre of mass linear momentum and collision
circular motion
collision
current electricity
electrostatics
View All ↓
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Which of the following statement is not true about angle of contact?
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Water rises to a height of
1
6
.
3
c
m
in a capillary of height
1
8
c
m
above the water level.If the tube is cut at a height of
1
2
c
m
:
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Two vertical glass plates 1 mm apart are dipped into water, How high will the water rise between the plates, if the surface tension of water is 70 dyne/cm?
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A drop of some liquid of volume
0
.
0
4
c
m
3
is placed on the surface of a glass slide. Then another glass slide is placed on it in such a way that the liquid forms a thin layer of area 20
c
m
2
between the surface of the two slides. To seperate the slides a force of
1
6
×
1
0
3
dyne has to be applied normal to the surface. The surface tension of the liquid is (in dyne
c
m
−
1
)
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
The ratio of tensions in the string connected to the block of mass
m
2
in Fig. A.11
(
a
)
−
(
b
)
, respectively, is (friction is absent everywhere):
[
m
1
=
5
0
k
g
,
m
2
=
8
0
k
g
and
F
=
1
0
0
0
N
]
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Two mercury drops (each of radius r) merge to form bigger drop. the surface energy of the bigger drop, if T is the surface tension , is
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Drops of liquid of density p are floating in a liquid of density
ρ
L
. If the surface tension is T, the radius of the drop will be
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
Inside a soap bubble of diameter
0
.
3
5
cm, the air pressure is equal to the 8 mm of water outside it, the surface tension of solution will be
(
ρ
=
1
g
m
/
c
c
)
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
In order to raise a block of mass
1
0
0
kg a man of mass
6
0
kg fastens a rope to it and passes the rope over a smooth pulley. He climbs the rope with an acceleration
4
5
g
relative to rope. The tension in the rope is
(
g
=
1
0
m
s
−
2
)
.
Class 11
Physics
Mechanics
Mechanical Properties of Fluids
A sphere is just immersed in a liquid. Find the ratio of hydrostatic force acting on top and bottom half of the sphere.
1
2
3
4
5
6
7
8
9
10
Previous
page
1 / 194
You're on page
1
page
2
page
3
page
4
page
5
page
...
page
194
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page
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