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A train moves towards a stationary obser...

A train moves towards a stationary observer with speed `34 m//s`. The train sounds a whistle and its frequency registered by the obsrever is `f_(1)`. If the train's speed is reduced to `17 m//s`, the freuqncy registered is `f_(2)`. If the speed of sound of `340 m//s`, then the ratio `f_(1)//f_(2)`is

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A train moves towards a stationary observer with speed 34 m//s . The train sounds a whistle and its frequency registered by the observer is f_(1) . If the train's speed is reduced to 17 m//s , the frequency registered is f_(2) . If the speed of sound of 340 m//s , then the ratio f_(1)//f_(2) is

A train moves towards a stationary observer with speed 34 m//s . The train sounds a whistle and its frequency registered by the observer is f_(1) . If the train's speed is reduced to 17 m//s , the frequency registered is f_(2) . If the speed of sound of 340 m//s , then the ratio f_(1)//f_(2) is

A train moves towards a stationary observer with speed 34 m//s . The train sounds a whistle and its frequency registered by the observer is f_(1) . If the train's speed is reduced to 17 m//s , the frequency registered is f_(2) . If the speed of sound of 340 m//s , then the ratio f_(1)//f_(2) is

A train moves towards a stationary observer with speed 34m/s. The train sounds a whistle and its frequency registered by observer is f_(1) . If the trains speed is reduced to 17m/s, the frequency registered is f_(2) . If the speed of sound is 340m/s, then the ratio (f_(1))/(f_(2)) is

A train moves towards a stationary observer with speed 34 m/s. The train sounds a whistle and its frequency registered by the observe is f_1 . If the train'sspeed is reduced to 17 m/s, the frequency registered is f_2 If the speed of sound is 340 m/s, then find the ratio f_1//f_2 .

A train moves towards a stationary observer with speed 34 m/s. The train sounds a whistle and its frequency registered by the observer is f_(1) . If the speed of train is reduced to 17 m/s, the frequency registered is f_(2) . If speed fo sound is 340 m/s, then the ratio f_(1)//f_(2) is :

A train moves towards a stationary observer with speed 34 m/s. The train sounds a whistle and its frequency registered by the observer is f_(1) . If the speed of train is reduced to 17 m/s, the frequency registered is f_(2) . If speed fo sound is 340 m/s, then the ratio f_(1)//f_(2) is :