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The maximum peaks of an electromagnetic wave are separated by a distance of 8 in. What is the frequency?

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The maximum peaks of an electromagnetic wave are separated by a distance of 8 in. What is the frequency?

(a) 256.4Khz

(b) 1477.8Khz

(c) 1477.8Mhz

(d) 256.7Mhz

I have been asked this question in an interview.

This question is from Electromagnetic Spectrum topic in section Introduction to Electronic Communication of Avionics

1 Answer

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Right choice is (c) 1477.8Mhz

For explanation I would say: Wavelength =8 in.= 0.203 m

Frequency = 300/0.203 = 1477.8Mhz.

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