Topic Summaries
Wave properties
Energy and power
Renewable energy and efficiency
Charge, current, and electric fields
Potential difference and resistors
Electricity
Volume and gases
States of matter and heat capacity
Radiation
Nuclear fusion and fission
Forces
Velocity and acceleration
Gravity and Newton's Laws
Moments and elastic potential
Pressure
Stopping, braking, and momentum
Properties of waves
Electromagnetic waves
Refraction and lenses
Light, colour, and ray diagrams
Absorbing and emitting infrared radiation
Magnetic fields
Motor effect, generator effect, and transformers
Science skills: Experimental procedures
Science skills: Presenting and using data
Science skills: Measuring results
Energy and power
Renewable energy and efficiency
Charge, current, and electric fields
Potential difference and resistors
Electricity
Volume and gases
States of matter and heat capacity
Radiation
Nuclear fusion and fission
Forces
Velocity and acceleration
Gravity and Newton's Laws
Moments and elastic potential
Pressure
Stopping, braking, and momentum
Properties of waves
Electromagnetic waves
Refraction and lenses
Light, colour, and ray diagrams
Absorbing and emitting infrared radiation
Magnetic fields
Motor effect, generator effect, and transformers
Science skills: Experimental procedures
Science skills: Presenting and using data
Science skills: Measuring results
- The amplitude, A, of a wave is the height of a wave, measured from its peak or trough to its undisturbed position.
- The wavelength, λ, of a wave is the distance between two equivalent points on it. It can be measured as the distance between two consecutive peaks or troughs.
- The frequency, f, of a wave is the number of waves produced per second or the number of waves that pass a point in a second measured in Hertz, Hz.
- The period, T, is the time it takes to produce one wave.
- Frequency and period are related by the equation \(\text{period}=1\div\text{frequency}\) of \(T=\frac{a}{f}\).
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