When a train approaches a stationary observer, the apparent frequency of the whistle is `n\'` and when the same train recedes away from the observer, the apparent frequency is `n\"`. Then the apperent frquency `n` when the observer sitting in the train is :
When a train approaches a stationary observer, the apparent frequency of the whistle is `n|'` and
When a train approaches a stationary observer, the apparent frequency of the whistle is `n\'` and when the same train recedes away from the observer, the apparent frequency is `n\"`. Then the apperent frquency `n` when the observer sitting in the train is :
0 Comments