Light of wavelength `lambda` from a point source falls on a small circular rings around a central bright spot are formed on a screen beyond the obstac

Light of wavelength `lambda` from a point source falls on a small circular rings around a central bright spot are formed on a screen beyond the obstacle The distance beetween the screen and obstacle is D. Then, the condition for the formation of rings, is
A. `sqrt(lambda)approxd/(4D)`
B. `lambdaapproxd^(2)/(4D)`
C. `d approx lambda^(2)/D`
D. `lambdaapproxD/4`

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - B
Here the condition for the formation of rings is
`lambda approx d^(2)/(4D)`

4 views Answered 2023-02-05 15:29

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