Wave

aqmaaaar
Mind Map by aqmaaaar, updated more than 1 year ago
aqmaaaar
Created by aqmaaaar over 5 years ago
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A-Level Chemistry Mind Map on Wave, created by aqmaaaar on 11/21/2014.
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Resource summary

Wave
1 Types of waves
1.1 Longitudinal
1.1.1 Vibration is parallel to the direction of travel
1.1.1.1 e.g sound waves

Annotations:

  • - Required medium as it cannot travel through a vacuum
1.2 Transverse
1.2.1 vibration is perpendicular to direction of travel
1.2.1.1 e.g electromagnetic waves

Annotations:

  • -no medium required  - travel at a speed of light (3x10^8 m/s)
2 Diffraction and Interference
2.1 bending of waves as they pass around a barrier
2.1.1 when two barriers form a narrow slit, curved waves are formed
2.1.1.1 coherent waves of same f can be generated by diffracting single wave thourgh two or more narrow slits
2.1.1.1.1 When emitted from different sources, the interference pattern is formed
2.1.1.1.1.1 constructive intf.
2.1.1.1.1.1.1 -occurs along antinodal lines/ crest + crest/ trough + trough/ loud sound
2.1.1.1.1.2 destructive intf.
2.1.1.1.1.2.1 occurs along the nodal lines/ crest + trough = cancelled out / quiet sound
2.1.1.1.1.3 Superposition
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