1 Answer

Yuvaraj G · Answer 1 · 2021-07-01T04:32:21+0000

Answer:

$\lambda=10^(-4)\ m$

Step-by-step explanation:

Given that,
$\lambda=10^(-4)\ m$

The frequency of infrared wave,
$f=3* 10^(12)\ Hz$

We need to find the wavelength of infrared wave. The relation between the frequency and the wavelength is given by :

$c=f\lambda$

where

c is the speed of light

$\lambda=(c)/(f)\\\\\lambda=(3* 10^8)/(3* 10^(12))\\\\=0.0001\ m\\\\=10^(-4)\ m$

So, the wavelength of the infrared wave is
$10^(-4)\ m$ .

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