Question

the frequency of x-ray of wavelength 1 armstrong is (1 armstrong=10^-10)
pl help quickly

Answer 1

1/10^-10=10^10

f=1/frequency

Answer 2

The frequency of x rays is $3\times 10^{18}\ Hz$.

Explanation:

Given that,

Wavelength of x-ray, $\lambda=1\ A=10^{-10}\ m$

The frequency of any wave is given by the formula as follows :

$c=f\lambda$

f is frequency

$f=\dfrac{c}{\lambda}\\\\f=\dfrac{3\times 10^8}{10^{-10}}\\\\f=3\times 10^{18}\ Hz$

So, the frequency of x rays is $3\times 10^{18}\ Hz$.

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