16:I[8216,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"BackButton"] 17:I[1553,["972","static/chunks/972-b28da0de92681928.js","47","static/chunks/47-a7f06e9eda1ac756.js","115","static/chunks/app/%5Bexam%5D/questions/%5Byear%5D/%5Bsubject%5D/%5Bchapter%5D/%5BquestionId%5D/page-7b6f0a12b9cc0206.js"],"QuestionViewer"] 15:T4fb,{"@context":"https://schema.org","@type":"Quiz","name":"Mht Cet 2026 Waves PYQ with Solution","url":"https://pyq-test-series-platform-alsjdcxu2-sameers-projects-41c5a71e.vercel.app/mht-cet/questions/2026/physics/waves/jt-mr4oabd1","educationalLevel":"Entrance exam preparation","about":"Mht Cet / Physics / Waves","hasPart":{"@type":"Question","name":"Mht Cet 2026 Waves PYQ with Solution","text":"A person observes two moving trains. 'A' reaching the station and 'B' leaving the station with equal speed of 30m/s. If both trains emit sounds with frequency 300 Hz, (speed of sound = 330 m/s) difference of frequencies heard by the person will be","eduQuestionType":"mcq","acceptedAnswer":{"@type":"Answer","text":"C"},"comment":{"@type":"Comment","text":"For a stationary person at the station, train A is coming towards the person and train B is moving away from the person. The speed of sound is v = 330\\ \\text{m/s} Speed of each train is v_s = 30\\ \\text{m/s} Original frequency of sound emitted by each train is f = 300\\ \\text{Hz} When the source of sound moves towards a stationary observer, the apparent frequency is higher: f_A = f \\left(\\frac{v}{v - v_s}\\right) So for train A, f_A = 300 \\left(\\frac{330}{330 - 30}\\right) f_A = 300 \\left(\\frac{330..."}}}18:T490,

For a stationary person at the station, train A is coming towards the person and train B is moving away from the person.

The speed of sound is

$$v = 330\ \text{m/s}$$

Speed of each train is

$$v_s = 30\ \text{m/s}$$

Original fre

Waves

Continue this paper

Similar Waves PYQs

More practice from this question