If you need a specific wavelength of light for research purposes, the naïve way of obtaining that is a white source light, a prism, and a small slit that will move across your own personal Dark ...

It’s a relatively simple task to find evidence of helium by just looking at the sun; all you need is a prism, diffraction grating, and a web cam. DIY spectrometers have been around for ages, … ...

In National 5 Physics examine the properties of waves and use the wave equation, v = f λ, to relate the speed, frequency and wavelength.

Commonly used prisms for beam steering include right angle prisms, that can be used to reflect a beam either 90 or 180 , depending on the prism’s orientation. Wedge prisms are highly versatile and can ...