The source producing sound and an observer both are moving along the direction of propagation of sound waves. If the respective velocities of sound, source and an observer are `v, v_(s)` and `v_(0)`, then the apparent frequency heard by the observer will be (n = frequency of sound)A. `(n(v+v_(o)))/(v-v_(o))`B. `(n(v-v_(o)))/(v-v_(s))`C. `(n(v-v_(o)))/(v+v_(s))`D. `(n(v+v_(o)))/(v+v_(s))`

The source producing sound and an observer both are moving along the d

1.	The source producing sound and an observer both are moving along the direction of propagation of sound waves. If the respective velocities of sound, source and an observer are `v, v_(s)` and `v_(0)`, then the apparent frequency heard by the observer will be (n = frequency of sound)A. `(n(v+v_(o)))/(v-v_(o))`B. `(n(v-v_(o)))/(v-v_(s))`C. `(n(v-v_(o)))/(v+v_(s))`D. `(n(v+v_(o)))/(v+v_(s))`
Answer» Correct Answer - B

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