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Sanitya Srivastava
Subject: Physics
, asked on 24/5/18
The length of two cylinders are measured to be l1 =(5.62?0.01) and l2 = (4.34?0.02). Calculate difference in lengths with error limits?
Answer
1
Ms Eccentric
Subject: Physics
, asked on 19/5/18
Please solve.
Q. Add the three vectors in following figures (a) and (b)
(a)
(b)
Answer
1
Divya
Subject: Physics
, asked on 19/5/18
Q.2. Two rods have lengths measured as (1.8
±
0.2) m and (2.3
±
0.1) m. Calculate their combined length with error limits.
[Ans. (4.1
±
0.3) m]
Answer
1
Yatharth Patel
Subject: Physics
, asked on 18/5/18
PLZ SOLVE Q 17, 18, & 19
Answer
2
अर्कज
Subject: Physics
, asked on 18/5/18
Solve this:
Q. Example 2.3
A force of 10
·
5N acts on a particle along a direction making an angle of 37° with the vertical. Find the component of the force in the vertical direction.
Answer
1
Dipesh Kumar Karesia
Subject: Physics
, asked on 18/5/18
plz solve this ....
Example 2.12 The period of oscillation of a simple pendulum is
T
=
2
π
L
/
g
Measured value of L is
20.0 cm known to I mm accuracy and time for 100 oscillations of the pendulum is found to be 90 s using a wrist watch 1 s resolution. What is the accuracy in the determination of g?
Answer
1
Eshita Rastogi
Subject: Physics
, asked on 18/5/18
the velocity V of transverse wave in a stretched wire depends on tension F in the wire and its mass per unit length M stablished the formula for velocity of transverse wave with the help of dimensions
Answer
2
Yatharth Patel
Subject: Physics
, asked on 17/5/18
Plz solve q4
4
.
The
velocity
'
v
'
of
a
particle
at
time
t
is
given
by
,
v
=
a
t
+
bt
t
2
+
c
.
The
dimension
of
a
,
b
,
c
are
respectively
.
A
LT
-
2
,
L
,
T
B
L
,
L
,
T
2
C
L
,
LT
,
T
-
2
D
L
,
L
,
LT
2
Answer
1
Yatharth Patel
Subject: Physics
, asked on 17/5/18
Please solve q 2
2
.
T
h
e
e
q
u
a
t
i
o
n
d
v
d
t
=
A
t
-
B
v
i
s
d
e
s
c
r
i
b
i
n
g
t
h
e
r
a
t
e
o
f
c
h
a
n
g
e
o
f
v
e
l
o
c
i
t
y
o
f
a
b
o
d
y
f
a
l
l
i
n
g
f
r
o
m
r
e
s
t
i
n
a
r
e
s
i
s
t
i
n
g
m
e
d
i
u
m
.
T
h
e
d
i
m
e
n
s
i
o
n
s
o
f
A
a
n
d
B
a
r
e
-
(
A
)
L
T
-
3
,
T
(
B
)
L
T
-
3
,
T
-
1
(
C
)
L
T
,
T
(
D
)
L
T
,
T
-
1
Answer
1
Eshita Rastogi
Subject: Physics
, asked on 17/5/18
Find least count in this
Q.20. Find the maximum probable error in measuring the volume of a box of length 24.0 cm, width 18.6 cm and height 6.0 cm.
Ans. 2.6 %
Answer
1
Eshita Rastogi
Subject: Physics
, asked on 17/5/18
Solve this:?
Q. The radius of a sphere is expressed as (5.3 ? 0.1) cm. Find the percentage error in the volume of the sphere.(no links but proper sol)
Answer
1
Prakhar
Subject: Physics
, asked on 17/5/18
Can you please explain it also as I cant understand the steps! and steps are very important to know.. so please help me
Q. The measured value of a physical quantity exceeds its error by an amount of 75 units. If the percentage error is 15 %, then what is the value of the physical quantity?
Answer
1
Dipesh Kumar Karesia
Subject: Physics
, asked on 16/5/18
Sir plz refer to Ncert pg 27: eg 2.12 not understood. Plz explain .....
Answer
1
Dipesh Kumar Karesia
Subject: Physics
, asked on 16/5/18
Sir I want to know the difference between parallax method and similar method mentioned in NCERT see pg 19.. I will be pleased to see your answers. Thanking you!!
Answer
1
Dipesh Kumar Karesia
Subject: Physics
, asked on 16/5/18
Sir IS RADIAN AND VALUE OF theta are equal????
Answer
1
1
2
3
4
5
Next
What are you looking for?
Q. Add the three vectors in following figures (a) and (b)
(a)
(b)
[Ans. (4.1 0.3) m]
Q. Example 2.3
A force of 105N acts on a particle along a direction making an angle of 37° with the vertical. Find the component of the force in the vertical direction.
Example 2.12 The period of oscillation of a simple pendulum is Measured value of L is
20.0 cm known to I mm accuracy and time for 100 oscillations of the pendulum is found to be 90 s using a wrist watch 1 s resolution. What is the accuracy in the determination of g?
Q.20. Find the maximum probable error in measuring the volume of a box of length 24.0 cm, width 18.6 cm and height 6.0 cm.
Ans. 2.6 %
Q. The radius of a sphere is expressed as (5.3 ? 0.1) cm. Find the percentage error in the volume of the sphere.(no links but proper sol)
Q. The measured value of a physical quantity exceeds its error by an amount of 75 units. If the percentage error is 15 %, then what is the value of the physical quantity?