Relate Wavelength Frequency Wave Speed
Physics · Flashcards
PHYSICS · FLASHCARDS
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QUESTION
Calculate
f
f
f
if
v
=
3
m
s
−
1
v=3\,\text{m}\,\text{s}^{-1}
v
=
3
m
s
−
1
and
λ
=
0.25
m
\lambda=0.25\,\text{m}
λ
=
0.25
m
.
QUESTION
Calculate
λ
\lambda
λ
if
v
=
20
m
s
−
1
v = 20\,\text{m}\,\text{s}^{-1}
v
=
20
m
s
−
1
and
f
=
4
Hz
f = 4\,\text{Hz}
f
=
4
Hz
.
QUESTION
What happens to wavelength
λ
\lambda
λ
if
v
v
v
is constant and frequency
f
f
f
doubles?
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ANSWER
λ
\lambda
λ
halves. Since
λ
=
v
f
\lambda=\frac{v}{f}
λ
=
f
v
, doubling
f
f
f
halves
λ
\lambda
λ
.
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