What are the Properties of X-rays?

What are Medical Uses of X-rays?

What are the Properties of Ultrasound?

What are some Uses of Ultrasound?

What is Refraction?

How does a Lens produce an Image?

What is the Focal Length?

How can you Calculate the Refractive Index of a Lens?

What is the Nature of an Image determined by?

Nature of Images Produced by a Converging Lens

What are converging lenses used for?

Nature of Images Produced by Diverging (Concave) Lenses

How can you Calculate Magnification?

Labelled Diagram of the Eye

Purpose of Sections of the Eye

Correcting Vision

What is your Range of Vision?

Structure of a Camera

Purpose of Sections of the Camera

How can you Calculate the Power of a Lens?

What Factors affect the Focal Length of a Lans?

What is the Critical Angle?

Optical Fibres

What is a Laser?

What is the Centre of Mass of an Object?

Finding the Mass of an Irregular Sheet of Material

The Centre of Mass of a Symmetrical Object

Pendulum Equation

What does the Time Period Depend on?

What is a Moment?

If an object is not turning....

What are Levers used as?

Stability of Objects

Pressure in Liquids

How can Hydraulic Systems be used as Force Multipliers?

Acceleration of an Object Moving in a Cirlcle

What Resultant Force causes this Acceleration

What Increases the Size of the Centripetal force?

What happens when a current flows through a wire?

The Motor effect

How can the size of the force be increased?

When a conductor crosses ("cuts")magnetic field lines...

Structure of a transformer

How do transformers work?

Difference in Transformers

Equation for Calculating Potential Difference Change in the Coils

Switch Mode Transformers