## College Physics (4th Edition)

The frequency of the microwaves in the oven is $2.5\times 10^9~Hz$
We can find the frequency of the microwaves in the oven: $f = \frac{c}{\lambda}$ $f = \frac{3.0\times 10^8~m/s}{0.12~m}$ $f = 2.5\times 10^9~Hz$ The frequency of the microwaves in the oven is $2.5\times 10^9~Hz$