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OpenStudy (anonymous):
2.Lizi reads the back label of her microwave oven. It says frequency = 2,450 MHz. The speed of microwaves is 3.00×108 m/s. What wavelength are they?
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OpenStudy (phi):
frq * wavelength = speed you should change 2,450 MHz to 2450 * 10^6 Hz or 2.45*10^9 Hz (Hz is cycles per second)
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