Interference, Diffraction and Speed Measurement of Sound Wave for Mechanics Physics Lab

This Interference, Diffraction and Speed Measurement of Sound Wave for Mechanics Physics Lab is designed for studying the generation, propagation, and measurement of ultrasonic sound waves in air. The system enables accurate determination of the speed of sound and provides practical demonstrations of important wave phenomena including interference, diffraction, resonance, and standing wave formation. Utilizing precision ultrasonic transmitters, receivers, and a high-resolution signal generator, the apparatus offers a comprehensive platform for acoustics and wave mechanics experiments in educational and laboratory environments.

Physics Lab Experiments from Atico Exports.

Experimental Principle and Content

• Generate and Detect Ultrasonic Sound Waves
• Measure the Speed of Sound in Air Using the Phase Method
• Measure the Speed of Sound in Air Using the Resonance Interference Method
• Study Standing Wave Formation
• Investigate Sound Wave Resonance Phenomena
• Observe Interference Between Direct and Reflected Sound Waves (Lloyd Mirror Experiment)
• Measure and Analyze Double-Slit Interference of Sound Waves
• Observe Single-Slit Diffraction Effects of Sound Waves
• Determine the Wavelength of Ultrasonic Sound Waves

Educational Objectives

• Understand the Principles of Sound Wave Generation and Detection
• Study Wave Propagation in Air
• Learn Methods for Measuring Sound Velocity and Wavelength
• Investigate Interference and Diffraction Phenomena
• Explore the Wave Nature of Sound
• Develop Practical Skills in Acoustic Measurements and Data Analysis

Sine Wave Signal Generator :

• Frequency Range: 38–42 kHz
• Resolution: 1 Hz

Ultrasonic Transducer :

• Piezo-Ceramic Element
• Operating Frequency: 40.1 ± 0.4 kHz

Vernier Caliper :

• Measuring Range: 0–200 mm
• Accuracy: 0.02 mm

Ultrasonic Receiver :

• Rotational Range: -90° to +90°
• Scale Range: 0°–20°
• Division Value: 1°

Measurement Accuracy :

• Less Than 2% (Phase Method)

Standard Supply

• Signal Generator Unit × 1
• Ultrasonic Transmitter × 1
• Ultrasonic Receiver × 1
• Vernier Caliper × 1
• Experimental Mounting System × 1 Set
• Connection Cables × 1 Set
• Instruction Manual × 1

• High-Performance Ultrasonic Sensor
• Simple Structure with Stable and Reliable Operation
• Multiple Experimental Capabilities
• High Measurement Accuracy