Consider a source of sound S , and an observer P . The source emits sound of frequency N ₀ . The frequency observed by P is found to be: N₁ if P approaches S at speed v and S is stationary, N ₂ if S approaches P at speed v and P is stationa

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Consider a source of sound S , and an observer P . The source emits sound of frequency N ₀ . The frequency observed by P is found to be: N₁ if P approaches S at speed v and S is stationary, N ₂ if S approaches P at speed v and P is stationary, and N ₃ if each of P and S have speeds v / 2 towards one another. Then,

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Correct answer: C. N ₃ N ₀

aligned & N₁= v₀+v₀ v₀ N₀ & N₂= v₀ v₀-v N₀ & N₃= v₀+ v 2 v₀- v 2 N₀ aligned

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