Lectures related to Fresnel number

Explores diffraction phenomena, interference, and resolution limitations in imaging processes due to wave interference.

Demonstrates the calculation process using the Rayleigh criterion to differentiate between point objects at a distance of 25 meters.

Explores light diffraction by a grating and the Rayleigh criterion.

Explains microscopy resolution using Abbe's theory and Rayleigh criterion.

Explores the theoretical possibility of an astronaut distinguishing a house from 250 km in orbit.