NCERT Solutions
Board Paper Solutions
Ask & Answer
School Talk
Login
GET APP
Login
Create Account
Popular
Latest
Expert Answers
ALL
Shivam
Subject: Physics
, asked on 8/1/18
please solve question 22
Answer
1
Shivam
Subject: Physics
, asked on 8/1/18
Q
21
.
A
c
o
n
t
a
i
n
e
r
o
f
l
a
r
g
e
s
u
r
f
a
c
e
a
r
e
a
i
s
f
i
l
l
e
d
w
i
t
h
l
i
q
u
i
d
o
f
d
e
n
s
i
t
y
ρ
.
A
c
u
b
i
c
a
l
b
l
o
c
k
o
f
s
i
d
e
e
d
g
e
a
a
n
d
m
a
s
s
M
i
s
f
l
o
a
t
i
n
g
i
n
i
t
w
i
t
h
f
o
u
r
-
f
i
f
t
h
o
f
i
t
s
v
o
l
u
m
e
s
u
b
m
e
r
g
e
d
.
I
f
a
c
o
i
n
o
f
m
a
s
s
m
i
s
p
l
a
c
e
d
g
e
n
t
l
y
o
n
t
h
e
t
o
p
s
u
r
f
a
c
e
o
f
t
h
e
b
l
o
c
k
i
s
j
u
s
t
s
u
b
m
e
r
g
e
d
.
M
i
s
A
4
m
5
B
m
5
C
4
m
D
5
m
Answer
1
Shivam
Subject: Physics
, asked on 8/1/18
Q. Two bodies having volumes V and 2V are suspended from the two arms of a common balance and they are found to balance each other. If larger body is immersed in oil(density
d
1
- 0.9 gm/
c
m
3
) and the smaller body is immersed in an unknown liquid, then the balance remain in equilibrium. What is the density of unknown liquid?
A. 2.4 gm/
c
m
3
B. 1.8 gm/
c
m
3
C. 0.45 gm/
c
m
3
D. 2.7 gm/
c
m
3
Answer
1
Shivam
Subject: Physics
, asked on 8/1/18
please solve question 19
Answer
1
Shivam
Subject: Physics
, asked on 8/1/18
please solve question 17
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
Q
16
.
T
w
o
c
u
b
e
s
o
f
s
i
z
e
1
.
0
m
s
i
d
e
s
,
o
n
e
o
f
r
e
l
a
t
i
v
e
d
e
n
s
i
t
y
0
.
60
a
n
d
a
n
o
t
h
e
r
o
f
r
e
l
a
t
i
v
e
d
e
n
s
i
t
y
-
1
.
15
a
r
e
c
o
n
n
e
c
t
e
d
b
y
w
e
i
g
h
t
l
e
s
s
w
i
r
e
a
n
d
p
l
a
c
e
d
i
n
a
l
a
r
g
e
tan
k
o
f
w
a
t
e
r
.
U
n
d
e
r
e
q
u
i
l
i
b
r
i
u
m
t
h
e
l
i
g
h
t
e
r
c
u
b
e
w
i
l
l
p
r
o
j
e
c
t
a
b
o
v
e
t
h
e
w
a
t
e
r
s
u
r
f
a
c
e
t
o
a
h
e
i
g
h
t
o
f
A
50
c
m
B
25
c
m
C
10
c
m
D
z
e
r
o
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
please solve question 15
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
please solve question 14
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
Q. The pressure at the bottom of a tank of water is 3P where P is the atmospheric pressure. If the water is drawn out till the level of water is lowered by one fifth, the pressure at the bottom of the tank will be?
A. 2P
B. (13/5) P
C. (8/5) P
D. (4/5) P
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
Q. A U-tube having horizontal arm of length 20 cm, has uniform cross-sectional area = 1 sq. cm. It is filled with water of volume 60 cc. What volume of a liquid of density 4 g/cc should be poured from one side into the U-tube so that no water is left in the horizontal arm of the tube?
A. 60 cc
B. 45 cc
C. 50 cc
D. 35 cc
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
Q. A liquid of mass 1 kg is filled in a flask as shown in figure exerted by the flask on the liquid is (g = 10m/
s
2
)[Neglect atmospheric pressure]:
a. 10N
b. greater than 10N
c. less than 10N
d. zero
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
please solve question 8
Answer
1
Shivam
Subject: Physics
, asked on 7/1/18
please solve question 7
Answer
1
Shivam
Subject: Physics
, asked on 6/1/18
5.A fluid container is containing a liquid of density is
ρ
accelerating upward with the acceleration an along the inclined plane of inclination as shown
α
.Then the angle of inclination
θ
of the free surface is:
Answer
1
Shivam
Subject: Physics
, asked on 6/1/18
Q. The area of cross-section of the wider tube down shown in figure is 800 sq. cm. If a mass of 12 kg is placed on the massless piston, the difference in heights h in the level of water in the two tubes is:
10 cm
6 cm
15 cm
2 cm
Answer
1
Prev
6
7
8
9
10
Next
What are you looking for?
Q. Two bodies having volumes V and 2V are suspended from the two arms of a common balance and they are found to balance each other. If larger body is immersed in oil(density - 0.9 gm/) and the smaller body is immersed in an unknown liquid, then the balance remain in equilibrium. What is the density of unknown liquid?
A. 2.4 gm/
B. 1.8 gm/
C. 0.45 gm/
D. 2.7 gm/
Q. The pressure at the bottom of a tank of water is 3P where P is the atmospheric pressure. If the water is drawn out till the level of water is lowered by one fifth, the pressure at the bottom of the tank will be?
A. 2P
B. (13/5) P
C. (8/5) P
D. (4/5) P
Q. A U-tube having horizontal arm of length 20 cm, has uniform cross-sectional area = 1 sq. cm. It is filled with water of volume 60 cc. What volume of a liquid of density 4 g/cc should be poured from one side into the U-tube so that no water is left in the horizontal arm of the tube?
A. 60 cc
B. 45 cc
C. 50 cc
D. 35 cc
Q. A liquid of mass 1 kg is filled in a flask as shown in figure exerted by the flask on the liquid is (g = 10m/)[Neglect atmospheric pressure]:
a. 10N
b. greater than 10N
c. less than 10N
d. zero
Q. The area of cross-section of the wider tube down shown in figure is 800 sq. cm. If a mass of 12 kg is placed on the massless piston, the difference in heights h in the level of water in the two tubes is: