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Byju's Answer
Standard XII
Physics
Expression for Standing Waves
write down po...
Question
write down possible equation of a wave travelling towards +ve z axis with velocity and particles vibrating along x axis
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Solution
D
e
a
r
s
t
u
d
e
n
t
t
h
e
r
e
q
u
i
r
e
e
q
u
a
t
i
o
n
i
s
a
s
f
o
l
l
o
w
s
:
-
X
+
=
X
0
cos
(
k
z
-
ω
t
)
X
0
=
a
m
p
l
i
t
u
d
e
a
l
o
n
g
x
a
x
i
s
X
=
i
n
s
tan
tan
e
o
u
s
d
i
s
p
l
a
c
e
m
e
n
t
a
l
o
n
g
x
a
x
i
s
k
=
w
a
v
e
n
u
m
b
e
r
ω
=
w
a
v
e
a
n
g
u
l
a
r
f
r
e
q
u
e
n
c
y
z
=
i
n
s
tan
tan
e
o
u
s
z
p
o
s
i
t
i
o
n
/
c
o
o
r
d
i
n
a
t
e
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