Cps is the unit of what? A. Frequency B. Amplitude C. Phase D.

cps-is-the-unit-of-what-a-frequency-b-amplitude-c-phase-d

Cps is the unit of what?

A. Frequency

B. Amplitude

C. Phase

D. Gain

The question was asked in a national level competition.

Origin of the question is Electromagnetic Spectrum in portion Introduction to Electronic Communication of Avionics

Correct choice is A. Frequency

To explain I would say: Cps or cycles per second is an alternative unit for the frequency of an EM wave. The other unit for frequency is Hertz which is more commonly used around the world.