Waves
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?- Created by: Claudia Cromar
- Created on: 31-05-13 13:26
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- Physics - Waves
- Some waves require matter to transfer energy. These are called ...
- MECHANICAL WAVES
- Waves that do not require matter to transfer energy are called ...
- ELECTRO - MAGNETIC WAVES
- What are waves?
- Waves transfer energy from one place to another without transferring any matter
- Properties Of Waves
- Waves have.. 1) Amplitude, 2) Wavelength, 3) Frequency
- 1) The amplitude is the displacement from the rest position to a crest.
- NOT from the trough to the crest
- 3) Frequency is the no. of COMPLETE waves passing a certain point per second OR the no. of waves produced by a source each second
- Frequency is measured in hertz (Hz). 1 Hz is 1 WAVE PER SECOND
- 1) The amplitude is the displacement from the rest position to a crest.
- Waves have.. 1) Amplitude, 2) Wavelength, 3) Frequency
- TRANSVERSE AND LONGITUDINAL WAVES
- Transverse waves are light and all other electromagnetic waves, waves on strings, ripples on water, a slinky wiggled up and down.
- in TRANSVERSE waves, the vibrations are PERPEN - DICULAR (at 90') to the DIRECTION OF ENERGY TRANSFER of the wave
- Longitudinal waves are sound waves and ultra sound, shock waves eg seismic waves, a slinky when you push the end
- in LONGITUDINAL waves the vibrations are PARALLEL to the DIRECTION OF ENERGY TRANSFER of the wave
- Transverse waves are light and all other electromagnetic waves, waves on strings, ripples on water, a slinky wiggled up and down.
- Some waves require matter to transfer energy. These are called ...
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