Neco 2021 Physics Question 25

Practice objective / multiple choice question 25 from the 2021 Neco Physics examination.

Neco 2021 Physics Objective / Multiple Choice Medium Difficulty
Question 25 NECO • 2021 • PHYSICS • objective

A train moving towards a stationary observer at \(30\ \text{m\,s^{-1}}\) sounds its horn at a frequency of \(500\ \text{Hz}\). The speed of sound in air is \(340\ \text{m\,s^{-1}}\). A building located \(200\ \text{m}\) behind the train reflects the sound back to the observer. What frequency does the observer hear for the reflected sound?

Answer Options

A. 500
B. 430
C. 548
Correct Answer D. 460
Correct Answer
D
Correct Option:
460

About This Question

This is Neco 2021 Physics Question 25. It is one of the objective questions from the 2021 Neco Physics examination.

Difficulty level: Medium .

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