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Byju's Answer
Standard XII
Physics
Relating Circular Motion to SHM
Equation of a...
Question
Equation of a standing wave is expressed as
y
=
2
A
sin
ω
t
cos
k
x
. In the equation, quantity
ω
/
k
represents
A
t
h
e
t
r
a
n
s
v
e
r
s
e
s
p
e
e
d
o
f
t
h
e
p
a
r
t
i
c
l
e
s
o
f
t
h
e
s
t
r
i
n
g
.
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B
t
h
e
s
p
e
e
d
o
f
t
h
e
c
o
m
p
o
n
e
n
t
w
a
v
e
s
.
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C
t
h
e
s
p
e
e
d
o
f
t
h
e
s
t
a
n
d
i
n
g
w
a
v
e
.
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D
a
q
u
a
n
t
i
t
y
t
h
a
t
i
s
i
n
d
e
p
e
n
d
e
n
t
o
f
t
h
e
p
r
o
p
e
r
t
i
e
s
o
f
t
h
e
s
t
r
i
n
g
.
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Solution
The correct option is
C
t
h
e
s
p
e
e
d
o
f
t
h
e
s
t
a
n
d
i
n
g
w
a
v
e
.
Equ of standing wave is
y
=
2
A
sin
w
t
cos
K
x
. The quantity
W
K
always represent the speed of the wave.
Hence Option (C) is correct.
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Similar questions
Q.
Equation of a standing wave is expressed as y = 2A sin
ω
t coskx. In the equation, quantity
ω
/k represents
Q.
The equation
y
=
A
sin
2
k
x
-
ω
t
represents a wave motion with
(a) amplitude A, frequency
ω
/
2
π
(b) amplitude A/2, frequency
ω
/
π
(c) amplitude 2A, frequency
ω
/
4
π
(d) does not represent a wave motion.
Q.
Rate of a reaction can be expressed by Arrhenius equation as,
k
=
A
e
−
E
a
/
R
T
. In this equation,
E
a
represents
Q.
Rate of a reaction can be expressed by Arrhenius equation as:
k
=
A
e
−
E
/
R
T
In this equation, E represents:
Q.
What is the correct expression of the standing wave equation?
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