Question

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

Answer 1

The microwave range of the electromagnetic spectrum with frequency range 1.6 to 300 GHz and wavelength range 187 to 10 mm are used in operating radar and ultraviolet range with frequency 8 x 10¹⁴ Hz to 3 x 10¹⁶ Hz and wavelength 400 nm to 10 nm are used in eye surgery.