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Byju's Answer
Standard XII
Physics
Wavelength
A wave y = ...
Question
A wave
y
=
10
sin
(
200
π
t
−
0.5
x
)
travels in space. The separation between two rarefactions is
A
10
c
m
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B
2
π
c
m
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C
2
c
m
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D
4
π
c
m
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Solution
The correct option is
D
4
π
c
m
Comparing the given equation with standard progressive wave equation, we get the wave vector
k
=
2
π
λ
=
0.5
⇒
λ
=
4
π
.
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