In the context of beats, what does the symbol 'a' represent in s₁ = a cos ω₁t and s₂ = a cos ω₂t? - OSCILLATIONS AND WAVES Quiz | GKFix.in

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Question

In the context of beats, what does the symbol 'a' represent in s₁ = a cos ω₁t and s₂ = a cos ω₂t?

A. Angular frequency
B. Phase constant
C. Wavelength
D. Amplitude of each wave