Virtual Labs

Which of the following best describes Fraunhofer diffraction?

a: Light scattering from a rough surface Explanation

Explanation

b: Bending of light as it travels past a sharp edge. Explanation

Explanation

c: Absorption of specific wavelengths of light by a material Explanation

Explanation

d: Change in the colour of light as it passes through a prism Explanation

Explanation

In Fraunhofer diffraction, what is the key characteristic of the light source and observation screen?

a: They are located very close to the diffracting object Explanation

Explanation

b: The light source is a point source, and the screen is placed at the focal point of a lens Explanation

Explanation

c: The light source is distant, and the screen is placed far away from the diffracting object. Explanation

Explanation

d: The light source is monochromatic, and the screen is highly reflective. Explanation

Explanation

Measurement of wavelength of a laser (He-Ne) light using single-slit diffraction