Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
IBM scientists have developed a prototype computer chip that operates at 350 GHz (1 GHz = 109 Hz).
(a) What is its wavelength in meters? In nanometers (nm)?
(b) Calculate its energy in joules.
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