Velocity of sound in air with Universal Counter
Principle
The velocity of sound in air is determined by measurement of sound travel times across known distances.
Benefits
- Perfect as demonstration and student experiment
- Easy setup and fast procedure
- Easy entry into the topic of error calculation possible
Support
Measuring tape, l = 2 m
PHYWE Universal Counter
Capacitor 1 microF/ 100V, G2
Support rod with hole, stainless steel, 10 cm
Measuring microphone with amplifier
Connecting cord, 32 A, 500 mm, red
Connecting cord, 32 A, 500 mm, blue
Flat cell battery, 9 V
Barrel base expert
Tasks
Determine the sound velocity in air for different distances between sound source and microphone.
What you can learn about
- Wave propagation
- Longitudinal wave
- Air pressure variation
- Sound wave
- Impulse of sound