The frequency of the sinusoidal wave \[y=0.40\cos [2000\,t+0.80\,x]\] – McqOptions

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1.	The frequency of the sinusoidal wave \[y=0.40\cos [2000\,t+0.80\,x]\] would be [CBSE PMT 1992]
A.	1000 p Hz
B.	2000 Hz
C.	20 Hz
D.	\[\frac{1000}{\pi }Hz\]
Answer» E.

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