1. What is the distance in centimeters of a melted marshmallow hot spot? In meters? The distance in centimeters of the melted marshmallow is 3.512cm. In meters, it would be 0.03512m 3.512 = 0.03512m 100 2. Based on your measurement of the hot spot what is the wavelength of a microwave Mm) = 2 X 0.03512 2 0.0702417; The wavelength is 0.07024m. 3. Calculate the wave speed of microwaves from the labeled frequency and your measured distance. 2450 >