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Today at 2:16 AM
Physics

Answered

If a microwave oven produces electromagnetic waves with a frequency of 2.70 ghz, what is their wavelength?

Answer :

TheProfessor4zzzFM TheProfessor4zzzFM

Today at 2:21 AM

Ok this one is pretty straight forward :) This is what we know:

1. 2.7GHz is how many vibrations in 1 second. (2.7 x10^9 Hz)
2. Light always has a constant speed 2.9 x10^8 meters per second.

Therefore to find out the length of one of those vibrations you just divide 2.9 x10^8 by 2.7 x10^9
which looks like this in your calculator:
290000000 / 2700000000
= 0.107m
= 10cm

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