Listing all results (138)

Episode 507: Electron Standing Waves

This learning episode, from the Institute of Physics, looks at Melde's experiment. It uses the analogy of a standing wave in a stretched elastic cord before going on to introduce the idea of standing waves within an atom.

The activities include:
* Melde’s experiment
* electron waves in atoms...

Episode 514: Patterns of Decay

In this learning episode, from the Institute of Physics, students use discussion, demonstration and worked examples to look at the exponential decay and radioactive half-life of a range of nuclides. These include sources of alpha, beta and gamma radiation.

The activities in this learning episode include:...

Episode 518: Particle Accelerators

Produced by the Institute of Physics, discussions and demonstrations encourage students to apply their knowledge of charged particles and fields to understand particle accelerators and detectors.

The activities in this learning episode look at:
* acceleration in an electric field
* researching...

Episode 519: Particle Detectors

In this learning episode, from the Institute of Physics, students see how cloud and bubble chambers can be used to detect sub-atomic particles. It explores the principle that, in general, detectors work by analyzing particle collisions using conservation laws (momentum, energy, charge).

The activities in...

Episode 530: X- ray Diffraction

This learning episode, from the Institute of Physics, uses laser light to demonstrate the phenomenon of diffraction and then applies this understanding to x-rays, Bragg's law and crystallography.

The activities in this episode look at:
• students’ knowledge of X-rays
• diffraction and the limits...

Episode 301: Recognising Simple Harmonic Motion

Through demonstrations and discussions, this learning episode from the Institute of Physics helps students to understand the main features of simple harmonic motion. This is in preparation to moving to a more mathematical description.

Activities include:
* observing simple harmonic motion (SHM)...

Episode 302: Simple Harmonic Motion Getting Mathematical

Produced by the Institute of Physics, this learning episode assists students to use a mathematical approach to simple harmonic motion, starting from its physical basis and the forces involved.

In the activities, students look at:
* restoring forces in simple harmonic motion (SHM)
* graphical...

Episode 305: Energy in Simple Harmonic Motion

Produced by the Institute of Physics, this learning episode enables students to appreciate that there is a continuous interchange between potential and kinetic energy during simple harmonic motion. Students are also shown the mathematical basis for calculating energy.

The activities include:
•...

Episode 306: Damped Simple Harmonic Motion

From the Institute of Physics, this learning episode will help students to see how energy moves from an oscillating system and how this results in a decrease in amplitude that follows an exponential decay pattern.

The activities include:
• observing water oscillating in a u-tube
• the motion of...

Episode 309: Generating Waves

From the Institute of Physics, this learning episode introduces the idea that vibrations can give rise to disturbances travelling outwards, i.e. to progressive waves. This illustrates some of the basic properties of waves.

The activities include:
• investigating transverse and longitudinal waves in a...

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