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A whistle emitting a sound of frequency ...

A whistle emitting a sound of frequency `440 Hz` is tied to a string of `1.5m` length and rotated with an angular velocity of `20rad s^(-1)` in the horizontal plane. Calculate the range of frequencies heard by an observer stationed at a large distance from the whistle.

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A whistle emitting a sound of frequency 440 h_(z) is tied to a string of 1.5 m length and roated with an angular velocity of 20 rad//s in the horizontal plane. Calculate the range of frequencies heard by an observer stationed at a larger distance from the whistle .(Speed of sound = 330 m//s) .

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A whistle emitting a loud sound of frequency 540 Hz is whirled in a horizontal circle of radius 2 m and at a constant angular speed of 15 rad//s . The speed of sound is 330 m//s . The ratio of the highest to the lowest frequency heard by a listener standing at rest at a large distance from the center of the circle is

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A whistle of frequency 540 Hz is moving in a circle of radius 2 ft at a constant angular speed of 15 rad/s. What are the lowest and highest frequencies heard by a listener standing at rest, a long distance away from the centre of the circle? (Velocity of sound in air is 1100ft/s)

A whistle of frequency 540 Hz is moving in a circle of radius 2 ft at a constant angular speed of 15 rad//s. What are the lowest and height frequencies heard by a listener standing at rest, a long distance away from the centre of the circle? (velocity of sound in air is 1100 ft//sec .)

A train approaching a hill at a speed of 36 kmph sounds a whistle of frequency 500 Hz when it is at a distance of 1 km. A wind blows at 36 kmph in the direction of the motion of the train. Find (i) the frequency of the whistle as heard by an observer on the hill, (ii) the distance from the hill at which the echo from the hill is heard by the driver and its frequency. Velocity of sound = 1200 kmph

A small source of sound S of frequency 500 Hz is attached to the end of a light string and is whirled in a vertical circle of radius 1.6 in. The string just remains tight when the source is at the highest point. (a) An observer is located in the same vertical plane at a large distance and at the same height as the centre of the circle. The speed of sound in air = 330 m s^-1 and g = 10ms^-2 . Find the maximum frequency heard by the observer. (b) An observer is situated at a large distance vertically above the centre of the circle. Find the frequencies heard by the observer corresponding to the sound emitted by the source When it is at the same height as the centre. ltbr.

A whistle of frequency 540 Hz moves in a circle of radius 60.0 cm at an angular speed of 20.0 rad/s. What are the (a) lowest and (b) highest frequencies heard by a listener a long distance away, at rest with respect to the center of the circle?

A whistle emitting a sound of frequency 450 Hz approaches a stationary observer at a speed of 33 m/s. Velocity of sound is 330 m/s. The frequency heard by the observer, in Hz, is :

PHYSICS GALAXY - ASHISH ARORA-WAVES -Unsolved Numerical Problems for Preparation of NSE, INPhO & IPhO
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