Question #91a5e

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Question #91a5e

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Answer 1 · 2017-09-20T14:25:08

$λ = 250 m$ $lambda=250m$

Explanation:

The product of frequency and wavelength will be equal to the velocity of light c.

$c = f \times λ$ $c=fxxlamda$

$λ = \frac{c}{f}$ $lambda=c/f$

where

$λ$ $lamda$ is the wavelength of the wave,
$f$ $f$ is the frequency of the wave,
$c$ $c$ is the velocity of light which is equal to $3 \times 10^{8} m s^{- 1}$ $3xx10^8ms^-1$

$f = 1200 k H Z = 1200 \times 10^{3} H Z$ $f=1200kHZ=1200xx10^3HZ$

Substituting the values,

$λ = \frac{3 \times 10^{8}}{1200 \times 10^{3}} m$ $lambda=(3xx10^8)/(1200xx10^3)m$
$λ = 250 m$ $lambda=250m$
Hence the wavelength of the given wave is $250 m$ $250m$

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Question #91a5e

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