Radiation extends way beyond the visible spectrum, with both longer and shorter wavelengths. The longer the wavelength, the...

Physics Narrative 11-14

Imagine the scene. You are sitting in your living room at home concentrating on the latest episode of your favourite TV soap...

Physics Narrative 11-14

The simplest case is when the object you see is also the source of the light.

Physics Narrative 5-11 11-14

The idea that light travels is not uncommon in the 21 st century. Pupils will often refer to things moving at the speed of...

Physics Narrative 5-11 11-14

The speed of light plays a central role in astronomy and in physics.

Physics Narrative 11-14

Not only does light travel, it travels in straight lines through a given medium.

Physics Narrative 11-14

The fact that we can see the Sun and stars shows that light can travel over enormous distances (150 million kilometres from...

Physics Narrative 5-11 11-14

Some particles found in the atmosphere have the ability to scatter beams of light.

Physics Narrative 11-14

You will probably be familiar with the mechanism of seeing. Light enters the eye through the pupil and the cornea and lens act...

Physics Narrative 11-14

Light travels from source to detector. Sources are luminous objects. Our eye is a detector that can see things only when light...

Physics Narrative 11-14

One of the distinctive and interesting features of teaching and learning about light is the way in which ideas and...

Physics Narrative 11-14

An important point to be aware of here is that a ray diagram is a theoretical construction. It something that you draw for a...

Physics Narrative 11-14