Physics - Wave Optics Question with Solution | TestHub
PhysicsWave OpticsDiffractionEasy2 minPYQ_2026
PhysicsEasysingle choice
The condition for observing Fraunhofer diffraction from a single slit is that the wavefront incident on a single slit must be
Options:
Answer:
B
Solution:
In Fraunhofer diffraction, the source of light and the screen are effectively at an infinite distance from the diffracting slit.
As a result, the wavefronts of the light incident on the slit are plane wavefronts.
This is typically achieved by placing the light source at the focus of a convex lens, which converts the diverging spherical wavefronts into plane wavefronts before they strike the slit.
Thus, the incident wavefront must be plane.
Answer: plane.
Stream:MHT_CET_MEDICALSubject:PhysicsTopic:Wave OpticsSubtopic:Diffraction
⏱ 2mℹ️ Source: PYQ_2026
Doubts & Discussion
Loading discussions...
