Wave Motion 4 Question 13
6. A train moves towards a stationary observer with speed 34
(2019 Main, 10 Jan I)
(a)
(b)
(c)
(d)
Show Answer
Solution:
- When a source is moving towards an stationary observer, observed frequency is given by
where,
Now applying above formula to two different conditions given in problem, we get
and
So, the ratio
