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JEE Advanced 2020 Full Test 6 Paper 2
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© examsnet.com
Question : 10
Total: 54
Choose the correct options regarding energy densities at different points of a harmonic travelling wave:
Kinetic energy is maximum at crest
Kinetic energy is minimum at trough
Potential energy is maximum at crest
Potential energy is minimum at trough
Validate
Solution:
d
K
d
x
=
µ
V
p
2
2
and
V
p
=
0
at crest and trough
d
U
d
x
=
I
2
(
δ
y
δ
x
)
2
and
δ
y
d
x
=
0
at crest and trough
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