Hotspots in a microwave oven are caused by the formation of standing waves within the cooking chamber. what is the separation between hotspots in a 2.45 ghz microwave oven?

0.122 m

Explanation:

We can imagine the hotspots in the microwave oven to correspond to the crests of the waves, so the distance between two hotspot is just the wavelength of the waves.

The wavelenght of an electromagnetic wave is given by

where

is the speed of light

f is the frequency of the wave. In this case,

so the wavelength is

305.7

explanation:

density =m/v

density =917/3.00

density = 305.

approximately = 305.7

in four significant figures