EAMCET Engineering 2005 Solved Paper

Section: Physics

Question : 26 of 160

Marks: +1, -0

A light ray of wavelength λ is passing through a pin hole of diameter D and the effect is observed on a screen placed at a distance L from the pin hole. The approximations of geometrical optics are applicable, if

D≤λ
‌
Lλ
D2
=1
‌
Lλ
D2
<<1
‌
Lλ
D2
>>1

Validate

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