Demonstration: This ripple tank experiment models the action of a diffraction grating.
Class practical: In this simple experiment, each student holds a pair of glass plates individually.
Given some radiation, how can one tell whether or not it has wave properties? Superposition experiments offer an answer. Radio...
What happens here affects what happens over there: that is the essence of radiating. An influence travels from source to...
You have seen that two beams meeting can cause instructions from two sources to arrive at a single point–two lots of do like...
The concept of trip time is introduced in the Physics Narrative for this episode and this might be a new idea for you...
Recognising and celebrating outstanding contributions to the field of physics education.