Which is the correct ascending order of wavelengths?

Question

$\lambda$_visible < $\lambda$_X-ray < $\lambda$_gamma-ray < $\lambda$_microwave

$\lambda$_gamma-ray < $\lambda$_X-ray < $\lambda$_visible < $\lambda$_microwave

$\lambda$_X-ray < $\lambda$_gamma-ray < $\lambda$_visible < $\lambda$_microwave

$\lambda$_microwave < $\lambda$_visible < $\lambda$_gamma-ray < $\lambda$_X-ray

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