Neco Model Questions Vol1 2024 Physics Question 19
Practice objective / multiple choice question 19 from the 2024 Neco Model Questions Vol1 Physics examination.
A source emits sound of frequency \(f = 500\,\text{Hz}\) and moves towards a rigid wall with speed \(v_s = 20\,\text{m s}^{-1}\). The speed of sound in air is \(v = 340\,\text{m s}^{-1}\). The sound reflects from the wall and returns to the source, which continues to move towards the wall at the same speed. What frequency does the source hear in the reflected wave?
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About This Question
This is Neco Model Questions Vol1 2024 Physics Question 19. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Physics examination.
Difficulty level: Medium .
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