While there’s no black in a rainbow, photons anywhere in the electromagnetic spectrum can be seen as ... Against the light background, the circle is dark enough to appear black.

part of the electromagnetic spectrum. Like all waves, light’s nature is defined by its wavelength – the distance between two crests or troughs. At different wavelengths, it takes on different ...

There's lots to discover in the electromagnetic spectrum. Here's a tour that begins with radio waves and takes you through microwaves, infrared radiation, light, ultraviolet radiation, and X-rays.

But did you know that there's more to light than meets the eye? Let’s explore the amazing world of the electromagnetic spectrum! The electromagnetic spectrum has many types of light waves. It includes ...

Gamma rays are a form of electromagnetic ... of wave in the electromagnetic spectrum. These waves come from things like supernova explosions, supermassive black holes, and even solar flares.

Listen or view this Superheroes of Science podcast: Astrophysicists use the electromagnetic spectrum to study stars, pulsars, black holes and more. Complete the guided listening worksheet as you ...

All waves will reflect and refract in the right circumstances. The reflection and refraction of light explains how people see images, colour and even optical illusions. Lenses - Edexcel Lenses are ...

Save guides, add subjects and pick up where you left off with your BBC account. The electromagnetic spectrum is a continuous range of wavelengths. The types of radiation that occur in different ...