Explain the wavelength of microwaves in the oven

Reference no: EM13147148

A certain microwave oven delivers 702 watts (J/s) of power to a coffee cup containing 67.5 g of water at 25°C. If the wavelength of microwaves in the oven is 9.75 cm, how long does it take, and how many photons must be absorbed, to make the water boil? The specific heat capacity of water is 4.18 J °C-1 g-1. Assume only the water absorbs the energy of the microwaves. _____s _____photons

Reference no: EM13147148

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