A musician using an open flute of length
produces second harmonic sound waves. A person runs towards the musician from another end of a hall at a speed of
If the wave speed is
, the frequency heard by the running person shall be close to:
Text Solution
Verified by ExpertsThe correct answer is:
A
JEE Main 2019
Frequency of the sound produced by open flute.

Velocity of observer,
As the source is moving towards the observer therefore, according to Doppler's effect.
Frequency detected by observer,

or 
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A heavy ball of mass is suspended from the ceiling of a car by a light string of mass . When the …
A string of length and mass is fixed at both ends. The tension in the string is The string is se…
A train moves towards a stationary observer with speed . The train sounds a whistle and its freque…
A closed organ pipe has a fundamental frequency of . The number of overtones that can be distinctl…
Equation of travelling wave on a stretched string of linear density is where distance and time ar…
A travelling harmonic wave is represented by the equation where and are in meter and is in seco…