Question
Which is the correct ascending order of wavelengths?

Answer

From electromagnetic wave spectrum.

$\lambda$ increases $\longrightarrow$

$\gamma$-ray $x$-rays ultra violet visible infrared microwave Radio wave

$\lambda_{\text {ganma-ray }}<\lambda_{ X \text {-ray }}<\lambda_{\text {visible }}<\lambda_{\text {microwave }}$

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