P11 & P12 Crossword

The height of a wave crest or trough of a transverse wave from the rest position. For oscillating motion, the amplitude is the maximum distance moved by an oscillating object from its equilibrium position
Squeezing together
Reflection of sound that can be heard
Electric and magnetic disturbances that transfer energy from one placeto another
The number of the wave crests passing a fixed point every second
Waves in which the vibrations are parallel to the direction of energy transfer
Vibration that tavels through a substance
Move to and fro about a certain postion along a line
Stretched apart
The change of direction of a light ray or wave at a boundary when the ray wave stays in the incident medium
The change of direction of a light ray when it passes across a boundary between two transparent substances (including air)
The speed of an object (metres per second) = distance moved by the object (metres) / time taken to move the distance travelled (seconds)
A wave passing through a substance
A wave where the vibration is perpendicular tot he direction of energy transfer
Oscillate (move to and fro) rapidly about a certain postion
The distance from one wave crest to the next
Waves used to carry any type of signal
An electronic device that creates an electronic signal from an optical image formed on the CCD's array of pixels
An x-ray absorbing substance used to fill a body organ so the organ cn be seen on radiograph
The continuous spectrum of electromagnetic waves
Electromagnetic waves between infrared radiation and radio waves in the electromagnetic spectrum
Thin glass fibre used to transmit light signals
Amount of ionising radiation a person receives
Electromagnetic waves of wavelengths greater than 0.10m
Elevtromagnetic waves between visible light and x-rays in the electromagnetic spectrum
The distance travelled per second by a wave crest or trough
Light that includes all the colours of the spectrum
Electromagnetic waves smaller in wavelength than ultraviolet radiation and produced by x-rays tubes