Question: A nanosecond is 10 9 s. (a) What is the frequency of an em wave whose period is 1 ns? (b) What is its wavelength?

A nanosecond is 10−9 s.

(a) What is the frequency of an em wave whose period is 1 ns?

(b) What is its wavelength? 

(c) To what class of em waves does it belong?

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