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A siren placed at a railway platform is emitting sound of frequency 5 kHz. A passenger sitting in a train A records a frequency of 5.5 kHz while the train approaches the siren. During his return journey in a different train B he records a frequency of 6.0 kHz while approaching the same train. Find out the ratio of the velocity of train B to that of train A.
Correct answer is '2'. Can you explain this answer?
Verified Answer
A siren placed at a railway platform is emitting sound of frequency 5 ...
Here, the observer is moving towards this stationary source. 
In first case, n' = n 
∴  
In second case, n ” = n 
∴ From eq. (1) 
From eq. (2) 
∴     
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A siren placed at a railway platform is emitting sound of frequency 5 kHz. A passenger sitting in a train A records a frequency of 5.5 kHz while the train approaches the siren. During his return journey in a different train B he records a frequency of 6.0 kHz while approaching the same train. Find out the ratio of the velocity of train B to that of train A.Correct answer is '2'. Can you explain this answer?
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A siren placed at a railway platform is emitting sound of frequency 5 kHz. A passenger sitting in a train A records a frequency of 5.5 kHz while the train approaches the siren. During his return journey in a different train B he records a frequency of 6.0 kHz while approaching the same train. Find out the ratio of the velocity of train B to that of train A.Correct answer is '2'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about A siren placed at a railway platform is emitting sound of frequency 5 kHz. A passenger sitting in a train A records a frequency of 5.5 kHz while the train approaches the siren. During his return journey in a different train B he records a frequency of 6.0 kHz while approaching the same train. Find out the ratio of the velocity of train B to that of train A.Correct answer is '2'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A siren placed at a railway platform is emitting sound of frequency 5 kHz. A passenger sitting in a train A records a frequency of 5.5 kHz while the train approaches the siren. During his return journey in a different train B he records a frequency of 6.0 kHz while approaching the same train. Find out the ratio of the velocity of train B to that of train A.Correct answer is '2'. Can you explain this answer?.
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