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A narrow tube is bend in the form of a c...

A narrow tube is bend in the form of a circle of radius R, as shown in the figure. Two small holes S and D are made in the tube at the positions right angle to each other. A source placed at S generated a wave of intensity `I_(0)` which is equally divided into two parts : One part travels along the longer path, while the other travels along the shorter path. Both the parts wave meet at the point D where a detector is placed.

The maximum value of `lamda` to produce a maxima at D is given by :-

A

`pi R`

B

`2 pi R`

C

`(pi R)/(2)`

D

`(3 pi R)/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`lamda_(max)` to produce maxima at `D = piR`
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