| List-$I$ | List-$II$ |
| $(1)$ $700\, nm$ to $1\, mm$ | $(i)$ Vibration of atoms and molecules |
| $(2)$ $1\, nm$ to $400\, nm$ | $(ii)$ Inner shell electrons in atoms moving from one energy level to a lower level |
| $(3)$ $< 10^{-3}\, nm$ | $(iii)$ Radioactive decay of the nucleus |
| $(4)$ $1\, mm$ to $0.1\, m$ | $(iv)$ Magnetron valve |
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