1 Answer

Roland Lariotte · Answer 1 · 2022-09-08T02:30:37+0000

Answer:

Wavelength of the wave is
1.7 meter

Step-by-step explanation:

As we know that

$c = \lambda *v$

C is the speed of light

$\lambda$ is the wavelength of light

v is the frequency of the light

Substituting the given values in above equation, we get -

$680 = \lambda * 400$

$\lambda = (680)/(400)\\ \lambda = 1.7$ m

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