Question
The wavelength of X-rays is 0.01 Å. Calculate its frequency.
✓
Answer
Wavelength $=0.01 Å=0.01 \times 10^{-10} m$
Speed of X-rays $=3 \times 10^8 m / s$
Speed of light $=$ frequency $x$ wavelength
$\begin{aligned} & C=v \lambda \\ & v=\frac{c}{\beth}=\frac{3 \times 10^a m / s }{0.01 \times 10^{-10} m }=3 \times 10^{20} Hz \end{aligned}$
Speed of X-rays $=3 \times 10^8 m / s$
Speed of light $=$ frequency $x$ wavelength
$\begin{aligned} & C=v \lambda \\ & v=\frac{c}{\beth}=\frac{3 \times 10^a m / s }{0.01 \times 10^{-10} m }=3 \times 10^{20} Hz \end{aligned}$
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