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Last Updated On 01-06-2023 - By Jeesha Sara

In Fraunhofer diffraction experiment, L is the distance between screen and the obstacle, b is the size of obstacle and  is wavelength of incident light.  The general condition for the applicability of Fraunhofer diffraction is

a)

b)

c)

d)


Question ID - 150033 :-

In Fraunhofer diffraction experiment, L is the distance between screen and the obstacle, b is the size of obstacle and  is wavelength of incident light.  The general condition for the applicability of Fraunhofer diffraction is

a)

b)

c)

d)

1 Answer
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3537

Answer Key : (c) -

(c)

The general condition for Frounhofer diffraction is



Next Question :

In Young’s double slit experiment, a glass plate is placed before a slit which absorbs half the intensity of light. Under this case

a)

The brightness of fringes decreases

b)

The fringe width decreases

c)

No fringes will be observed

d)

The bright fringes become fainter and the dark fringes have finite light intensity


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