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Which one of the following equations represents a wave of amplitude travelling in the…
PHYSICS · Single correct · CBSE · Physics · Waves · Waves
Problem
Which one of the following equations represents a wave of amplitude
0.03
m
0.03\,\text{m}
0.03
m
travelling in the negative
x
x
x
–direction with angular frequency
40
π
rad
s
−
1
40\pi\,\text{rad\,s}^{-1}
40
π
rad
s
−
1
? (a)
y
=
0.03
sin
(
5
π
x
−
40
π
t
)
y=0.03\sin(5\pi x-40\pi t)
y
=
0.03
sin
(
5
π
x
−
40
π
t
)
(b)
y
=
0.03
sin
(
5
π
x
+
40
π
t
)
y=0.03\sin(5\pi x+40\pi t)
y
=
0.03
sin
(
5
π
x
+
40
π
t
)
(c)
y
=
0.03
sin
(
5
π
x
+
20
π
t
)
y=0.03\sin(5\pi x+20\pi t)
y
=
0.03
sin
(
5
π
x
+
20
π
t
)
(d)
y
=
0.03
sin
(
40
π
x
+
5
π
t
)
y=0.03\sin(40\pi x+5\pi t)
y
=
0.03
sin
(
40
π
x
+
5
π
t
)
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