Home
Class 12
PHYSICS
A train is approaching towards a platfor...

A train is approaching towards a platform with a speed of `10 ms^(-1)`, while blowing a whistle of frequency 340 Hz. What is the frequency of whistle heard by a stationary observer on the platform ?
(given, speed of sound `=340 ms^(-1)`)

Promotional Banner

Similar Questions

Explore conceptually related problems

A train is moving at a speed of 72 kmph towards a station sounding a whistle of frequency 640Hz. What is the apparent frequency of the whistle as heard by a man standing on the platform when train approaches towards him.

A train standing a the outer signal of a railway station blows a whistle of frequency 400Hz in still air . What is the frequency of the whistle for a platform observer when the train (i) approaches the platform with a speed of 10ms^(-1) ? (ii) recedes from the platform with a speed of 10 ms^(-1) ?

A train in approaching a station with a uniform velocity of 72kmph and the frequency of the whistle of that train is 480Hz . The apparent increase in the frequency of that whistle heard by a stationary observer on the platform is (Velocity of sound in air is 340m//s )

A train standing at the outer signal of a railway station blows a whistle of frequency 400Hz in still air. (i) What is the frequency of the whistle for a platform observer when the train (a) approaches the platform with a speed of 10 ms^(-1) . (b) recedes from the platform with a speed of 10ms^(-1) ? (ii) What is the speed of sound in each case? The speed of sound in still air can be taken as 340ms^(-1) .

A train standing at the outer signal of a railway station blows a whistle of frequency 400Hz in still air. (i) What is the frequency of the whistle for a platform observer when the train (a) approaches the platform with a speed of 10 ms^(-1) . (b) recedes from the platform with a speed of 10ms^(-1) ? (ii) What is the speed of sound in each case? The speed of sound in still air can be taken as 340ms^(-1) .

A train stands at a platform, blowing a whistle of frequency 400 Hz in still aIr: What is the frequency of the whistle heard by a man running (a) towards the engine at 10 ms^(-1) (b) away from the engine at 10 ms^(-1)?