| List-$I$ | List-$II$ |
|---|---|
| $A$. Microwaves | $I$. Physiotherapy |
| $B$. $UV$ rays | $II$. Treatment of cancer |
| $C$. Infra-red rays | $III$. Lasik eye surgery |
| $D$. $X$-rays | $IV$. Aircraft navigation |
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| List-$I$ | List-$II$ |
| $a$. Infrared waves | $i$. To treat muscular strain |
| $b$. Radio waves | $ii$. For broadcasting |
| $c$. $X$-rays | $iii$. To detect fracture of bones |
| $d$. Ultraviolet rays | $iv$. Absorbed by the ozone layer of the atmosphere |
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