Answer & explanation
Correct answer: option 2
$\text{Microwaves are defined as electromagnetic radiations with a frequency ranging between 300 MHz to 300 GHz.}$
$\text{In contrast, the wavelength ranges from 1 mm to around 30 cm.}$
Correct answer: option 2
$\text{Microwaves are defined as electromagnetic radiations with a frequency ranging between 300 MHz to 300 GHz.}$
$\text{In contrast, the wavelength ranges from 1 mm to around 30 cm.}$