Date post: | 22-Dec-2015 |
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What is a wave?What is a wave?
Speed, wave length and frequencySpeed, wave length and frequency
One vertical PulseOne vertical Pulse
Direction of wave propagation
Direction of oscillation
= transverse wave Waves on strings
One horizontal PulseOne horizontal Pulse
Direction of propagation
Direction of oscillation
= longitudinal wave Compression waves
sound
Reflection at a fixed endReflection at a fixed end
Reflected pulse is inverted
Reflection at a loose endReflection at a loose end
Reflected pulse is not inverted
Wave motionWave motionDisplacement versus time at fixed position
time
periody
Wave motionWave motionStop! Snapshot at
a fixed time.Distance between
equivalent points on the wave =
wave length
The wave travels a distance of one wave length in the time of one period
Speed of the waveSpeed of the wave
Speed = Distance
Time =
Wave length
period
1f
v fT