Identify the part of the electromagnetic spectrum used i (i) radar and (ii) eye surgery. Write their frequency range.

(i) Radar uses microwaves, part of the electromagnetic spectrum with frequencies ranging from 1 GHz to 300 GHz.
(ii) Eye surgery employs ultraviolet (UV) light, specifically excimer lasers, with frequencies ranging from 750 THz to 30,000 THz.

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