Source has frequency f. Source and observer both have same speed. For the apparent frequency observed by observer match the following: Column-IColumn-II(i) Observer is approaching the source but source is receding from the observer[A] more than f(ii) Observer and source both approaching towards each other[B] less than f(iii) Observer and source both receding from each other[C] equal to f (iv) Source is approaching but observer is receding

Source has frequency f. Source and observer both have same …

Physics Wave and Sound Mix MCQ (Single Correct)

Source has frequency f. Source and observer both have same speed. For the apparent frequency observed by observer match the following:

Column-I	Column-II
(i) Observer is approaching the source but source is receding from the observer	[A] more than f
(ii) Observer and source both approaching towards each other	[B] less than f
(iii) Observer and source both receding from each other	[C] equal to f
(iv) Source is approaching but observer is receding

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The correct answer is:

CHECK THE SOLUTION.

Ans.

(i) [C]

(ii) [A]

(iii) [B]

(iv)[C]

Sol.

(i) f' = f = f

(ii) f' = f > f

(iii) f' = f < f

(iv) f' = f = f

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