Posted by **Rosh** on Wednesday, August 1, 2012 at 12:02am.

A particular microwave oven operates at 1000W. The wavelength of the microwave is 12.0cm. You decide that you like your snack to absorb 1.2 x 10^28 photons. For how much time should you have the oven on- with your snack inside of course. Assume 100% efficiency.

- Physics -
**Rosh**, Friday, August 10, 2012 at 12:06am
I guess I will answer my own question so, if others come across it, it will help

PT/h(lamda)

P: power

T: time (which is the variable in this case)

h: (constant 6.626x10^-34)

c: lamda is found by c/f in which,

c= 3x10^8

frequency= .12 in this case

if you solve accordingly,

t= 19.8 seconds

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