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A whistle of frequen cy 385 Hz rotates in a horizontal circle of radius 50 cm at an angular speed of 20 radians s–1. The lowest frequency heard by a listener a long distance away at rest with respect to the centre of the circle, given velocity of sound equal to 340 ms–1, is [2002]
  • a)
    396 Hz
  • b)
    363 Hz
  • c)
    374 Hz
  • d)
    385 Hz
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
A whistle of frequen cy 385 Hz rotates in a horizontal circle of radiu...
Velocity of source
vs = rω =  0.50 x 20 = 10 ms-1
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A whistle of frequen cy 385 Hz rotates in a horizontal circle of radius 50 cm at an angular speed of 20 radians s–1. The lowest frequency heard by a listener a long distance away at rest with respect to the centre of the circle, given velocity of sound equal to 340 ms–1, is [2002]a)396 Hzb)363 Hzc)374 Hzd)385 HzCorrect answer is option 'C'. Can you explain this answer?
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A whistle of frequen cy 385 Hz rotates in a horizontal circle of radius 50 cm at an angular speed of 20 radians s–1. The lowest frequency heard by a listener a long distance away at rest with respect to the centre of the circle, given velocity of sound equal to 340 ms–1, is [2002]a)396 Hzb)363 Hzc)374 Hzd)385 HzCorrect answer is option 'C'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about A whistle of frequen cy 385 Hz rotates in a horizontal circle of radius 50 cm at an angular speed of 20 radians s–1. The lowest frequency heard by a listener a long distance away at rest with respect to the centre of the circle, given velocity of sound equal to 340 ms–1, is [2002]a)396 Hzb)363 Hzc)374 Hzd)385 HzCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A whistle of frequen cy 385 Hz rotates in a horizontal circle of radius 50 cm at an angular speed of 20 radians s–1. The lowest frequency heard by a listener a long distance away at rest with respect to the centre of the circle, given velocity of sound equal to 340 ms–1, is [2002]a)396 Hzb)363 Hzc)374 Hzd)385 HzCorrect answer is option 'C'. Can you explain this answer?.
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