Question
Physics Question on Wave optics
The essential conditions for observing Fresnel class of diffraction is
A
Both source and screen at infinite distance from the slit
B
Either screen or source at infinite distance from the slit
C
Neither screen nor source at infinite distance from the slit
D
None of the above
Answer
Neither screen nor source at infinite distance from the slit
Explanation
Solution
Screen or source should be at finite distance for observing Fresnel diffraction