The preceding diagram shows a speaker mounted on a cart that moves to the right

Question

The preceding diagram shows a speaker mounted on a cart that moves to the right at constant speed v. Wave fronts for the constant-frequency sound wave produced by the speaker are indicated schematically in the diagram. Which of the following could represent the wave fronts prouced by the stationary speaker playing the same note?

38. he preceding diagram shows a speaker mounted on a cart that moves to the right at constant speed v. Wave fronts for the constant-frequency sound wave produced by the speaker are indi- cated schematically in the diagram. Which of the following could represent the wave fronts produced by the stationary speaker playing the same note? (A) (B) (C) (D)

Explanation / Answer

from the given diagrams

FIGURE-D is having same note frequency.

because the phase difference is same.

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