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A wave in which the vibration of the medium is parallel to the direction the wave travels.
A wave that moves the medium in a direction perpendicular to the direction in which the wave travels.
The maximum distance the particles of a medium move away from their rest positions as a wave passes through the medium.
An image of an object formed at the point where light rays actually meet or converge. This happens looking through a lens.
An image of an object where light rays do not meet, they diverge. This happens in a mirror.
The bending of a wave caused by a change in its speed as it moves from one medium of one density to another a medium with a different density.
Total Internal Reflection
The complete reflection that takes place within a substance when the angle of incidence of light striking the surface boundary is less than the critical angle.
The complete range of electromagnetic waves placed in order of increasing frequency.
Electromagnetic waves with the shortest wavelengths and highest frequencies. Used to kill cancer cells.
a type of radiation that can go through many solid substances, allowing hidden objects such as bones and organs in the body to be photographed.
Electromagnetic waves with frequencies higher than visible light, but lower than x-rays. Used to detected forged bank notes.
Electromagnetic waves with the longest wavelengths and lowest frequencies. Used for to send television signals.
A longitudinal wave consisting of compressions and rarefactions, which travels through a medium.
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