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0 Mathematics
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1 Mechanics (point systems)
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2 Mechanics (rigid body)
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3 Continuum mechanics
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4 Relativity
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5 Oscillations and waves
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5.1 Harmonic oscillation and Lissajous curves
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5.2 Damped oscillations
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5.3 Forced oscillations, resonance
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5.4 Coupled oscillations
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5.5 Waves: basics, velocity, propagation
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Wave chain
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Longitudinal wave
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Cable wave
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Wave in brass rod
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Mechanical wave in brass rod – mechanical
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Superposition of two waves
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Speed of light
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Whip
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Intensity of light proportional to 1/r
2
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Intensity of sound
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Velocity of sound in gases
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Wire model: transition from oscillation to wave
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Pendulum Wave
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Soliton
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5.6 Standing waves, natural oscillation
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5.7 Dispersion, group velocity
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5.8 Interference
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5.9 Reflection, refraction and optics
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5.10 Diffraction
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5.11 Polarisation
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5.12 Doppler effect, aberration
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6 Electricity
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7 Quantum physics
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8 Thermodynamics
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9 Properties of matter
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10 Nuclear and particle physics
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11 Special areas
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12 Instabilities and chaos
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13 Videos
Intensity of sound
Experiment no.: 5.5.9
A digital decibel meter enables measurement of the intensity of sounds from different sources.
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Experiment
Documents for this experiment
Standing acoustic wave in a gas
Longitudinal plane wave
Longitudinal spherical waves