Enourmous numbers of microwave photons are needed to warm macroscopic samples of matter.

Enourmous numbers of microwave photons are needed to warm macroscopic samples of matter. A portion of soup containing 387 g of water is heated in a microwave oven from 20 degrees celcius to 98 degrees celcius with a wavelengh of .0155 m. how many photons are absorbed by the water in the soup